Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.14)
// Compass (v1.0.3)
// ----

$primary-color: #295e7c;

@mixin debug {
  background-color: pink;
  border: 1px solid black;
}

.partA {
  @include debug;
  color: $primary-color;
}

.partB {
  @extend .partA;
  padding: 1em;
}

SassMeister-output.css

.partA, .partB {
  background-color: pink;
  border: 1px solid black;
  color: #295e7c;
}

.partB {
  padding: 1em;
}