Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.7)
// Compass (v1.0.1)
// ----

%flush {
  color: red;
}

@mixin flush {
  color: blue;
}

// extending the placeholder :)

.hero {
  @extend %flush;
  @include flush;
}

img {
  @extend %flush;
  @include flush;
}

SassMeister-output.css

.hero, img {
  color: red;
}

.hero {
  color: blue;
}

img {
  color: blue;
}