/// Mixin to manage responsive breakpoints
/// @author Hugo Giraudel
/// @param {String} $breakpoint - Breakpoint name
/// @require $breakpoints
@mixin breakpoint($breakpoint) {
  // If the key exists in the map
  @if map-has-key($breakpoints, $breakpoint) {
    // Prints a media query based on the value
    @media #{inspect( map-get( $breakpoints, $breakpoint ) )} {
      @content;
    }
  }

  // If the key doesn't exist in the map
  @else {
    @warn 'Unfortunately, no value could be retrieved from `#{$breakpoint}`. '
      + 'Available breakpoints are: #{map-keys($breakpoints)}.';
  }
}