generic-new 0.1.0

A derive macro which generates an ergonomic constructor with shortcuts for certain types.
Documentation

generic-new

crates-io docs-rs github

A derive macro which generates an ergonomic constructor with shortcuts for certain types.

use generic_new::GenericNew;

#[derive(GenericNew)]
struct Foo {
    s: String,     // -> impl AsRef<str>
    v: Vec<usize>, // -> impl IntoIterator<Item = usize>
    p: PathBuf,    // -> impl AsRef<Path>
    #[generic_new(ignore)]
    i: String,     // Turn off magic conversion for some fields
    #[generic_new(ty = impl Into<usize>, converter = |u|Into::into(u))]
    u: usize,      // Custom converters are supported
}

Foo::new(
    "hello",
    [1, 2, 3],
    "path/to/foo",
    String::from("world"),
    1u16,
);

License: MIT