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Contents
## Introspection API
Stylus supports an introspection API, allowing mixins and functions to reflect relative to the caller etc.
## mixin
The `mixin` local variable is automatically assigned within function bodies,
containing the string "root" indicating the function is called at the root
level, or "block" indicating otherwise, and finally `false` if the function
is invoked expecting a return value.
In the following example we define `reset()` altering its behaviour when mixed in to root, another block, or a return value as used in the `foo` property below.
reset()
if mixin == 'root'
got
root true
else if mixin
got 'a mixin'
else
'not a mixin'
reset()
body
reset()
foo reset()
compiles to:
got {
root: true;
}
body {
foo: "not a mixin";
got: "a mixin";
}
Version data entries
23 entries across 23 versions & 1 rubygems