arr-rs 0.6.0

arr-rs - rust arrays library
Documentation 
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/// Create an array of ones
///
/// # Examples
///
/// ```
/// use arr_rs::prelude::*;
///
/// let arr = array_ones!(i32, 8);
/// assert_eq!(array!(i32, [1, 1, 1, 1, 1, 1, 1, 1]), arr);
/// let arr = array_ones!(i32, 2, 2, 2);
/// assert_eq!(array!(i32, [[[1, 1], [1, 1]], [[1, 1], [1, 1]]]), arr);
/// ```
#[macro_export]
macro_rules! array_ones {
    (Tuple2<$t1:ty, $t2:ty>, $($tt:tt)*) => {{
        compile_error!("only `Numeric` types are supported")
    }};
    (Tuple3<$t1:ty, $t2:ty, $t3:ty>, $($tt:tt)*) => {{
        compile_error!("only `Numeric` types are supported")
    }};
    (List<$t1:ty>, $($tt:tt)*) => {{
        compile_error!("only `Numeric` types are supported")
    }};
    (char, $($tt:tt)*) => {{
        compile_error!("only `Numeric` types are supported")
    }};
    (String, $($tt:tt)*) => {{
        compile_error!("only `Numeric` types are supported")
    }};
    ($([$($nested:expr),*]),* $(,)*) => {{
        compile_error!("array_ones! only accepts a flat list of elements");
    }};
    ($tt:ty, $([$($nested:expr),*]),* $(,)*) => {{
        compile_error!("array_ones! only accepts a flat list of elements");
    }};
    ($tt:ty, $($x:expr),* $(,)*) => {{
        Array::<$tt>::ones(vec![$($x,)*])
    }};
}