space-function.sass

// ----------------------------------------------------------------------------
// Map Functions
// ----------------------------------------------------------------------------
@function to-string($int)
  @return inspect($int)

// Still trying to think through if functions would be better than variables.
//  * Benefit of variables is autocomplete.
//  * Benefits of functions is clearer logic and simplicity in mapping.
// ** Thinking `--` prefixed would identify functions provided by core to be
//    used in component sass files.

// Returns mapped spacing value in rems.
// @param $key {Number or String} '05'
// @return {0.5rem}
@function $rem-value
  @return map-get($spacing, to-string($key)) * 1rem