// aux-build:macro_rules.rs #![allow(dead_code)] #![allow(unused_variables)] #![warn(clippy::large_enum_variant)] #[macro_use] extern crate macro_rules; enum LargeEnum { A(i32), B([i32; 8000]), } enum GenericEnumOk { A(i32), B([T; 8000]), } enum GenericEnum2 { A(i32), B([i32; 8000]), C(T, [i32; 8000]), } trait SomeTrait { type Item; } enum LargeEnumGeneric { Var(A::Item), } enum LargeEnum2 { VariantOk(i32, u32), ContainingLargeEnum(LargeEnum), } enum LargeEnum3 { ContainingMoreThanOneField(i32, [i32; 8000], [i32; 9500]), VoidVariant, StructLikeLittle { x: i32, y: i32 }, } enum LargeEnum4 { VariantOk(i32, u32), StructLikeLarge { x: [i32; 8000], y: i32 }, } enum LargeEnum5 { VariantOk(i32, u32), StructLikeLarge2 { x: [i32; 8000] }, } enum LargeEnumOk { LargeA([i32; 8000]), LargeB([i32; 8001]), } enum LargeEnum6 { A, B([u8; 255]), C([u8; 200]), } enum LargeEnum7 { A, B([u8; 1255]), C([u8; 200]), } enum LargeEnum8 { VariantOk(i32, u32), ContainingMoreThanOneField([i32; 8000], [i32; 2], [i32; 9500], [i32; 30]), } enum LargeEnum9 { A(Struct<()>), B(Struct2), } enum LargeEnumOk2 { A(T), B(Struct2), } enum LargeEnumOk3 { A(Struct), B(Struct2), } struct Struct { a: i32, t: T, } struct Struct2 { a: [i32; 8000], } #[derive(Copy, Clone)] enum CopyableLargeEnum { A(bool), B([u64; 8000]), } enum ManuallyCopyLargeEnum { A(bool), B([u64; 8000]), } impl Clone for ManuallyCopyLargeEnum { fn clone(&self) -> Self { *self } } impl Copy for ManuallyCopyLargeEnum {} enum SomeGenericPossiblyCopyEnum { A(bool, std::marker::PhantomData), B([u64; 4000]), } impl Clone for SomeGenericPossiblyCopyEnum { fn clone(&self) -> Self { *self } } impl Copy for SomeGenericPossiblyCopyEnum {} enum LargeEnumWithGenerics { Small, Large((T, [u8; 512])), } struct Foo { foo: T, } enum WithGenerics { Large([Foo; 64]), Small(u8), } enum PossiblyLargeEnumWithConst { SmallBuffer([u8; 4]), MightyBuffer([u16; U]), } enum LargeEnumOfConst { Ok, Error(PossiblyLargeEnumWithConst<256>), } fn main() { large_enum_variant!(); }