refactor: replace comparable() with math.compatible()

Author: mrholek

scss/functions/_assert.scss

@@ -8,7 +8,7 @@
   @each $key, $num in $map {
     @if $prev-num == null or math.unit($num) == "%" or math.unit($prev-num) == "%" {
       // Do nothing
-    } @else if not comparable($prev-num, $num) {
+    } @else if not math.compatible($prev-num, $num) {
       @warn "Potentially invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} whose unit makes it incomparable to #{$prev-num}, the value of the previous key '#{$prev-key}' !";
     } @else if $prev-num >= $num {
       @warn "Invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} which isn't greater than #{$prev-num}, the value of the previous key '#{$prev-key}' !";

scss/functions/_math.scss

@@ -10,7 +10,7 @@
     @return $value1;
   }
 
-  @if type-of($value1) == number and type-of($value2) == number and comparable($value1, $value2) {
+  @if type-of($value1) == number and type-of($value2) == number and math.compatible($value1, $value2) {
     @return $value1 + $value2;
   }
 
@@ -30,7 +30,7 @@
     @return $value1;
   }
 
-  @if type-of($value1) == number and type-of($value2) == number and comparable($value1, $value2) {
+  @if type-of($value1) == number and type-of($value2) == number and math.compatible($value1, $value2) {
     @return $value1 - $value2;
   }