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Codegen bug: broken macro #311

Description

@boozook

crate: string_cache_codegen v0.11

build.rs:

let mut cache = string_cache_codegen::AtomType::new("my:BundledApiAtom", "my_atom!");
cache.atom("unsafe extern \"C\" fn (sprite : * mut Sprite , pattern : * mut [u8 ; 8usize])");

lib.rs:

my_atom!("unsafe extern \"C\" fn (sprite : * mut Sprite , pattern : * mut [u8 ; 8usize])")

This is error because codegen produced macro like this:

// ...
("unsafe extern \"C\" fn (sprite : * mut Sprite , pattern : * mut [u8 ;
8usize])") => { $ crate :: my :: ATOM_BUNDLEDAPIATOM__75_6E_73_61_66_65_20_65_78_74_65_72_6E_20_22_43_22_20_66_6E_20_28_73_70_72_69_74_65_20_3A_20_2A_20_6D_75_74_20_53_70_72_69_74_65_20_2C_20_70_61_74_74_65_72_6E_20_3A_20_2A_20_6D_75_74_20_5B_75_38_20_3B_20_38_75_73_69_7A_65_5D_29 } ;
// ...

This is heppening because of this:

// Insert some newlines to make the generated code slightly easier to read.
.replace(" [ \"", "[\n\"")
.replace("\" , ", "\",\n")
.replace(" ( \"", "\n( \"")
.replace("; ", ";\n")

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