# Rosetta Stone Mappings
# Maps semantically equivalent functions across languages.
# When adding a new function, check if an equivalent exists and add it here.
# Format: group_name -> list of "language/category/function" paths
#
# IMPORTANT: Keep this file updated when adding functions!
# See CONTRIBUTING.md for details.

# =============================================================================
# STRING OPERATIONS
# =============================================================================

string_length:
  - php/strings/strlen
  - c/string/strlen
  - ruby/String/length
  - perl/core/length
  - powershell/string/length
  - tcl/string/length
  - rust/str/len
  - awk/builtin/length
  - lua/string/len
  - elixir/String/length
  - r/base/nchar

string_lowercase:
  - php/strings/strtolower
  - ruby/String/downcase
  - golang/strings/ToLower
  - powershell/string/tolower
  - tcl/string/tolower
  - rust/str/to_lowercase
  - lua/string/lower
  - perl/core/lc
  - awk/builtin/tolower
  - r/base/tolower
  - julia/Base/lowercase
  - elixir/String/downcase
  - clojure/string/lower_case

string_uppercase:
  - php/strings/strtoupper
  - ruby/String/upcase
  - golang/strings/ToUpper
  - powershell/string/toupper
  - tcl/string/toupper
  - rust/str/to_uppercase
  - lua/string/upper
  - perl/core/uc
  - awk/builtin/toupper
  - r/base/toupper
  - julia/Base/uppercase
  - elixir/String/upcase
  - clojure/string/upper_case

string_trim:
  - php/strings/trim
  - ruby/String/strip
  - golang/strings/TrimSpace
  - golang/strings/Trim
  - powershell/string/trim
  - tcl/string/trim
  - rust/str/trim
  - clojure/string/trim

string_ltrim:
  - php/strings/ltrim
  - powershell/string/trimstart
  - tcl/string/trimleft
  - rust/str/trim_start

string_rtrim:
  - php/strings/rtrim
  - php/strings/chop
  - powershell/string/trimend
  - ruby/String/chop
  - ruby/String/chomp
  - tcl/string/trimright
  - perl/core/chop
  - rust/str/trim_end

string_chomp:
  - perl/core/chomp

string_contains:
  - powershell/string/contains
  - rust/str/contains
  - golang/strings/Contains
  - ruby/String/include

string_starts_with:
  - powershell/string/startswith
  - rust/str/starts_with
  - golang/strings/HasPrefix
  - ruby/String/start_with

string_ends_with:
  - powershell/string/endswith
  - rust/str/ends_with
  - golang/strings/HasSuffix
  - ruby/String/end_with

string_reverse:
  - php/strings/strrev
  - ruby/String/reverse
  - tcl/string/reverse
  - lua/string/reverse
  - perl/core/reverse
  - elixir/String/reverse
  - clojure/string/reverse

string_split:
  - php/strings/explode
  - golang/strings/Split
  - swift/String/split

string_split_n:
  - golang/strings/SplitN
  - rust/str/splitn

string_rsplit_n:
  - rust/str/rsplitn

string_split_once:
  - rust/str/split_once

string_rsplit_once:
  - rust/str/rsplit_once

string_split_terminator:
  - rust/str/split_terminator

string_rsplit_terminator:
  - rust/str/rsplit_terminator

string_strip_prefix:
  - rust/str/strip_prefix
  - ruby/String/delete_prefix

string_strip_suffix:
  - rust/str/strip_suffix
  - ruby/String/delete_suffix

string_lines:
  - rust/str/lines

string_join:
  - php/strings/implode
  - golang/strings/Join

path_join:
  - golang/path/Join
  - golang/filepath/Join

string_replace:
  - php/strings/str_replace
  - powershell/string/replace
  - rust/str/replace
  - golang/strings/Replace
  - swift/String/replacingOccurrences
  - elixir/String/replace

regex_replace:
  - php/pcre/preg_replace
  - ruby/String/gsub
  - python/re/sub

regex_replace_with_count:
  - python/re/subn

collection_group_by:
  - ruby/Array/group_by
  - kotlin/collections/groupBy

array_binary_search:
  - ruby/Array/bsearch

array_binary_search_index:
  - ruby/Array/bsearch_index

array_bisect_left:
  - python/bisect/bisect_left

array_bisect_right:
  - python/bisect/bisect
  - python/bisect/bisect_right

array_filter_map:
  - ruby/Array/filter_map

array_first_key:
  - php/array/array_key_first

array_last_key:
  - php/array/array_key_last

array_is_list:
  - php/array/array_is_list

path_relative:
  - golang/filepath/Rel

path_clean:
  - golang/path/Clean
  - golang/filepath/Clean

path_base:
  - golang/path/Base
  - golang/filepath/Base

path_dir:
  - golang/path/Dir
  - golang/filepath/Dir

path_ext:
  - golang/path/Ext
  - golang/filepath/Ext

path_is_abs:
  - golang/path/IsAbs
  - golang/filepath/IsAbs

calendar_is_leap_year:
  - python/calendar/isleap

calendar_leapdays:
  - python/calendar/leapdays

calendar_month_range:
  - python/calendar/monthrange

calendar_weekday:
  - python/calendar/weekday

calendar_week_header:
  - python/calendar/weekheader

calendar_month_matrix:
  - python/calendar/monthcalendar

calendar_timegm:
  - python/calendar/timegm

calendar_format_week:
  - python/calendar/week

calendar_format_month:
  - python/calendar/month

calendar_format_year:
  - python/calendar/calendar

calendar_format_string:
  - python/calendar/formatstring

iterable_accumulate:
  - python/itertools/accumulate

iterable_batch:
  - python/itertools/batched

iterable_chain:
  - python/itertools/chain

iterable_combinations:
  - python/itertools/combinations

iterable_combinations_with_replacement:
  - python/itertools/combinations_with_replacement

iterable_compress:
  - python/itertools/compress

iterable_slice:
  - python/itertools/islice

iterable_pairwise:
  - python/itertools/pairwise

iterable_product:
  - python/itertools/product

iterable_zip_longest:
  - python/itertools/zip_longest

integer_square_root:
  - python/math/isqrt

numeric_product:
  - php/array/array_product

statistics_mean:
  - python/statistics/mean

statistics_fmean:
  - python/statistics/fmean

statistics_median:
  - python/statistics/median

statistics_median_low:
  - python/statistics/median_low

statistics_median_high:
  - python/statistics/median_high

statistics_mode:
  - python/statistics/mode

statistics_multimode:
  - python/statistics/multimode

statistics_population_standard_deviation:
  - python/statistics/pstdev

statistics_sample_standard_deviation:
  - python/statistics/stdev

statistics_population_variance:
  - python/statistics/pvariance

statistics_sample_variance:
  - python/statistics/variance

statistics_geometric_mean:
  - python/statistics/geometric_mean

statistics_harmonic_mean:
  - python/statistics/harmonic_mean

statistics_linear_regression:
  - python/statistics/linear_regression

statistics_grouped_median:
  - python/statistics/median_grouped

statistics_quantiles:
  - python/statistics/quantiles

statistics_covariance:
  - python/statistics/covariance

statistics_correlation:
  - python/statistics/correlation
  - python/math/prod

sequence_partition_by:
  - clojure/core/partition_by

sequence_interpose:
  - clojure/core/interpose

enumerable_reduce_while:
  - elixir/Enum/reduce_while

enumerable_reduce:
  - python/functools/reduce

enumerable_zip:
  - ruby/Array/zip
  - elixir/Enum/zip

lua_string_replace_with_count:
  - lua/string/gsub

string_equal:
  - tcl/string/equal

numeric_sign:
  - r/base/sign

numeric_type:
  - lua/math/type

list_permutations:
  - python/itertools/permutations
  - ruby/Array/permutation
  - haskell/list/permutations

matrix_transpose:
  - haskell/list/transpose

string_index:
  - php/strings/strpos
  - powershell/string/indexof
  - rust/str/find
  - golang/strings/Index
  - golang/strings/Index2
  - tcl/string/first

string_last_index:
  - php/strings/strrpos
  - powershell/string/lastindexof
  - rust/str/rfind
  - golang/strings/LastIndex
  - tcl/string/last

string_repeat:
  - php/strings/str_repeat
  - golang/strings/Repeat
  - tcl/string/repeat
  - lua/string/rep

string_capitalize:
  - php/strings/ucfirst
  - ruby/String/capitalize
  - perl/core/ucfirst

string_uncapitalize:
  - php/strings/lcfirst
  - perl/core/lcfirst

string_compare:
  - php/strings/strcmp
  - c/string/strcmp
  - golang/strings/Compare

string_substring_search:
  - php/strings/strstr
  - c/string/strstr

string_char_search:
  - php/strings/strchr
  - c/string/strchr

string_count:
  - php/strings/substr_count
  - golang/strings/Count

string_close_matches:
  - python/difflib/get_close_matches

string_diff:
  - python/difflib/ndiff

string_substring:
  - php/strings/substr
  - awk/builtin/substr
  - lua/string/sub
  - perl/core/substr

# =============================================================================
# MATH OPERATIONS
# =============================================================================

math_frexp:
  - c/math/frexp

math_sqrt:
  - php/math/sqrt
  - python/math/sqrt
  - ruby/Math/sqrt
  - lua/math/sqrt
  - awk/builtin/sqrt
  - r/base/sqrt

math_exp:
  - php/math/exp
  - python/math/exp
  - ruby/Math/exp
  - awk/builtin/exp

math_log:
  - php/math/log
  - python/math/log
  - ruby/Math/log
  - awk/builtin/log

math_log10:
  - php/math/log10
  - python/math/log10
  - ruby/Math/log10

math_log2:
  - python/math/log2
  - ruby/Math/log2

math_sin:
  - php/math/sin
  - python/math/sin
  - ruby/Math/sin
  - lua/math/sin
  - awk/builtin/sin

math_cos:
  - php/math/cos
  - python/math/cos
  - ruby/Math/cos
  - lua/math/cos
  - awk/builtin/cos

math_tan:
  - php/math/tan
  - python/math/tan
  - ruby/Math/tan

math_asin:
  - php/math/asin
  - python/math/asin
  - ruby/Math/asin

math_acos:
  - php/math/acos
  - python/math/acos
  - ruby/Math/acos

math_atan:
  - php/math/atan
  - python/math/atan
  - ruby/Math/atan

math_atan2:
  - php/math/atan2
  - python/math/atan2
  - ruby/Math/atan2

math_acosh:
  - php/math/acosh
  - python/math/acosh

math_asinh:
  - php/math/asinh
  - python/math/asinh

math_atanh:
  - php/math/atanh
  - python/math/atanh

math_sinh:
  - php/math/sinh
  - python/math/sinh
  - ruby/Math/sinh

math_cosh:
  - php/math/cosh
  - python/math/cosh
  - ruby/Math/cosh

math_tanh:
  - php/math/tanh
  - python/math/tanh
  - ruby/Math/tanh

math_degrees:
  - python/math/degrees

math_radians:
  - python/math/radians

math_hypot:
  - php/math/hypot
  - python/math/hypot
  - ruby/Math/hypot

math_expm1:
  - php/math/expm1
  - python/math/expm1

math_copysign:
  - python/math/copysign

math_ceil:
  - php/math/ceil
  - python/math/ceil
  - perl/POSIX/ceil
  - lua/math/ceil
  - r/base/ceiling
  - julia/Base/ceil
  - elixir/Float/ceil
  - clojure/Math/ceil

math_floor:
  - php/math/floor
  - python/math/floor
  - perl/POSIX/floor
  - lua/math/floor
  - r/base/floor
  - julia/Base/floor
  - elixir/Float/floor
  - clojure/Math/floor

math_abs:
  - php/math/abs
  - c/math/abs
  - lua/math/abs
  - r/base/abs
  - julia/Base/abs
  - elixir/Kernel/abs
  - clojure/Math/abs
  - perl/core/abs

math_max:
  - php/math/max
  - lua/math/max
  - r/base/max

math_min:
  - php/math/min
  - lua/math/min
  - r/base/min

math_round:
  - php/math/round
  - r/base/round

math_fabs:
  - python/math/fabs

math_pow:
  - php/math/pow
  - python/math/pow
  - python/operator/pow

math_cbrt:
  - ruby/Math/cbrt

math_trunc:
  - python/math/trunc
  - awk/builtin/int
  - perl/core/int

math_factorial:
  - python/math/factorial

math_gcd:
  - python/math/gcd

math_isfinite:
  - php/math/is_finite
  - python/math/isfinite

math_isinf:
  - php/math/is_infinite
  - python/math/isinf

math_isnan:
  - php/math/is_nan
  - python/math/isnan

# =============================================================================
# CHARACTER TYPE CHECKING
# =============================================================================

char_isalnum:
  - php/ctype/ctype_alnum
  - c/ctype/isalnum

char_isalpha:
  - php/ctype/ctype_alpha
  - c/ctype/isalpha

char_isdigit:
  - php/ctype/ctype_digit
  - c/ctype/isdigit

char_islower:
  - php/ctype/ctype_lower
  - c/ctype/islower

char_isupper:
  - php/ctype/ctype_upper
  - c/ctype/isupper

char_isspace:
  - php/ctype/ctype_space
  - c/ctype/isspace

char_tolower:
  - c/ctype/tolower

char_toupper:
  - c/ctype/toupper

char_from_codepoint:
  - php/strings/chr
  - perl/core/chr

char_to_codepoint:
  - php/strings/ord
  - perl/core/ord

# =============================================================================
# TYPE CONVERSION
# =============================================================================

string_to_int:
  - php/var/intval
  - c/stdlib/atoi
  - golang/strconv/Atoi

int_to_string:
  - golang/strconv/Itoa

string_to_float:
  - c/stdlib/atof

parse_int:
  - golang/strconv/ParseInt

format_int:
  - golang/strconv/FormatInt

parse_bool:
  - golang/strconv/ParseBool

format_bool:
  - golang/strconv/FormatBool

string_regex_escape:
  - php/strings/quotemeta
  - perl/core/quotemeta

# =============================================================================
# OPERATORS
# =============================================================================

arithmetic_add:
  - python/operator/add

arithmetic_subtract:
  - python/operator/sub

arithmetic_multiply:
  - python/operator/mul

arithmetic_true_divide:
  - python/operator/truediv

arithmetic_floor_divide:
  - python/operator/floordiv

arithmetic_modulo:
  - python/operator/mod

sequence_concat:
  - python/operator/concat

collection_contains:
  - python/operator/contains

collection_count_of:
  - python/operator/countOf

collection_index_of:
  - python/operator/indexOf

collection_getitem:
  - python/operator/getitem

comparison_equal:
  - python/operator/eq

comparison_not_equal:
  - python/operator/ne

comparison_greater_than:
  - python/operator/gt

comparison_greater_equal:
  - python/operator/ge

comparison_less_than:
  - python/operator/lt

comparison_less_equal:
  - python/operator/le

identity_is:
  - python/operator/is_

identity_is_not:
  - python/operator/is_not

bitwise_and:
  - python/operator/and_

bitwise_or:
  - python/operator/or_

bitwise_xor:
  - python/operator/xor

bitwise_not:
  - python/operator/inv
  - python/operator/invert

bitwise_left_shift:
  - python/operator/lshift

bitwise_right_shift:
  - python/operator/rshift

unary_positive:
  - python/operator/pos

unary_negative:
  - python/operator/neg

truthiness:
  - python/operator/truth
  - python/operator/not_

# =============================================================================
# ARRAY/COLLECTION OPERATIONS
# =============================================================================

array_first:
  - php/array/reset
  - ruby/Array/first

array_last:
  - php/array/end
  - ruby/Array/last

array_unique:
  - php/array/array_unique
  - ruby/Array/uniq

array_flatten:
  - ruby/Array/flatten

array_compact:
  - ruby/Array/compact

array_sample:
  - ruby/Array/sample

binary_unpack:
  - php/misc/unpack

# =============================================================================
# FORMATTING
# =============================================================================

sprintf:
  - php/strings/sprintf
  - c/stdio/sprintf

date_format:
  - php/datetime/date
  - golang/time/Format

date_parse_in_location:
  - golang/time/ParseInLocation