docs: improve sass

Cargo.lock

@@ -1813,7 +1813,6 @@ dependencies = [
  "base64",
  "blake3",
  "cfg-if",
- "const_format",
  "grass",
  "lightningcss",
  "proc-macro2",

README.md

@@ -444,7 +444,7 @@ sassy!(module2 "tests/assets/mixins.scss");
 sassy!(module3:sass "tests/assets/mixins.sass");
 // works, but there are catches.
 sassy!(module4:sass {"
-    =colored($col: primary)
+    @mixin colored($col: primary)
         @if $col == primary
             color: white
         @else

examples/define-styles/Cargo.lock

@@ -268,26 +268,6 @@ dependencies = [
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "const_format"
-version = "0.2.33"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50c655d81ff1114fb0dcdea9225ea9f0cc712a6f8d189378e82bdf62a473a64b"
-dependencies = [
- "const_format_proc_macros",
-]
-
-[[package]]
-name = "const_format_proc_macros"
-version = "0.2.33"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eff1a44b93f47b1bac19a27932f5c591e43d1ba357ee4f61526c8a25603f0eb1"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-xid",
-]
-
 [[package]]
 name = "constant_time_eq"
 version = "0.3.1"
@@ -1007,7 +987,6 @@ dependencies = [
  "base64",
  "blake3",
  "cfg-if",
- "const_format",
  "grass",
  "lightningcss",
  "proc-macro2",
@@ -1240,12 +1219,6 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
 
-[[package]]
-name = "unicode-xid"
-version = "0.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
-
 [[package]]
 name = "utf8parse"
 version = "0.2.2"

tests/assets/mixins.sass

@@ -1,4 +1,4 @@
-=colored($color: primary)
+@mixin colored($color: primary)
     @if $color == primary
         color: white
     @else