1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
use syn::*;
pub fn is_bool(ty: &Type) -> bool {
if let Type::Path(TypePath {
qself: None,
path: Path {
leading_colon: None,
ref segments,
},
}) = ty
{
// check for bool
if segments.len() == 1 && segments.first().unwrap().ident == "bool" {
return true;
}
}
false
}