Struct amplify_syn::AttrReq

pub struct AttrReq {
    pub arg_req: HashMap<String, ArgValueReq>,
    pub path_req: ListReq<Path>,
    pub char_req: ListReq<LitChar>,
    pub integer_req: ListReq<LitInt>,
    pub float_req: ListReq<LitFloat>,
    pub string_req: ValueReq,
    pub bytes_req: ValueReq,
    pub bool_req: ValueReq,
}

Structure requirements for parametrized attribute

Fields

arg_req: HashMap<String, ArgValueReq>

Specifies all named arguments and which requirements they must meet

path_req: ListReq<Path>

Specifies whether path arguments are allowed and with which requirements.

char_req: ListReq<LitChar>

Whether integer literals are allowed as an attribute argument and, if yes, with which requirements

integer_req: ListReq<LitInt>

Whether integer literals are allowed as an attribute argument and, if yes, with which requirements

float_req: ListReq<LitFloat>

Whether integer literals are allowed as an attribute argument and, if yes, with which requirements

string_req: ValueReq

Whether string literal is allowed as an attribute argument and, if yes, with which requirements

bytes_req: ValueReq

Whether byte string literal is allowed as an attribute argument and, if yes, with which requirements

bool_req: ValueReq

Whether boolean literal is allowed as an attribute argument and, if yes, with which requirements

Implementations

impl AttrReq

pub fn with(args: HashMap<&str, ArgValueReq>) -> AttrReq

Constructor creating AttrReq accepting only name-value arguments with the provided parameters

Trait Implementations

impl Clone for AttrReq

fn clone(&self) -> AttrReq

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.