Crate wproc_macro

Tools for writing procedural macroses.

Macros

syn_err

Macro to generate syn error either with span of a syntax tree element or with default one proc_macro2::Span::call_site().

tree_export_str

Macro for diagnostics purpose to export both syntax tree and source code behind it into string.

tree_print

Macro for diagnostics purpose to print both syntax tree and source code behind it.

Enums

ContainerKind

Kind of container.

Functions

attr_pair_single

For attribute like #[former( default = 31 )] return key default and value 31, as well as syn::Meta as the last element of result tuple.

type_container_kind

Return kind of container specified by type.

type_optional_container_kind

Return kind of container specified by type. Unlike type_container_kind it also understand optional types.

type_parameters

Return the specified number of parameters of the type.

type_rightmost

Check is the rightmost item of path refering a type is specified type.