////////////////////////////////////////////////////////////////////////////////
/// Ease                                                                #is-ease
////////////////////////////////////////////////////////////////////////////////

@use 'sass:string';
@use 'sass:list';
@use 'sass:meta';

/// Checks to see if string is an ease
/// @author Mark Notton
/// @group helpers-checks
/// @require {function} contains
/// @require {function} is-string
/// @return {bool}

@function ease($string) {
  @return meta.type-of($string) == 'string' and list.contains(string.slice(#{$string}, 0, 4), ease line step cubi init)
}