Metaprogramming & Macros

Evo uses some metaprogramming internally – these features are available for advanced use.

#include <evo/type.h> – included by most evo headers already

Type Traits

• EVO_BCTYPE()
• TypeId
• IsPodType
• IsByteCopyType
• IsNormalType
• IsArray
• IsPointer
• IsReference
• IsConst
• IsSame

• IsNullable
• IsEvoContainer

Type Conversion

• RemoveConst
• RemoveConstVol
• RemoveExtents
• RemoveExtentsConstVol
• RemoveVolatile
• Convert

Static Expressions

• STATIC_ASSERT()
• STATIC_ASSERT_FUNC_UNUSED
• STATIC_ASSERT_FUNC_UNUSED_RET()
• EVO_STATIC_JOIN()
• StaticIf

Macros

Evo also implements these helper macros

#include <evo/macro.h>

• EVO_STRINGIFY()
• EVO_CONCAT()
• EVO_EXPAND()
• EVO_COUNT_ARGS()
• EVO_MAP_FIELDS(), EVO_MAP_FIELDS_KEY()

Compiler Helpers

• EVO_PARAM_UNUSED()
• EVO_ATTRIB_UNUSED
• EVO_MSVC_NOWARN_START(), EVO_MSVC_NOWARN_END

• EVO_CPP11, EVO_ONCPP11()
• EVO_CPP14
• EVO_CPP17

• EVO_64, EVO_ARCH_BITS
• EVO_COMPILER
• EVO_COMPILER_VER