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54 lines
939 B
54 lines
939 B
4 months ago
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#!/usr/bin/env bash
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gen_impl() {
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local len=$1
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cat <<-END
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impl<T: Default> Array for [T; $len] {
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type Item = T;
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const CAPACITY: usize = $len;
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#[inline(always)]
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#[must_use]
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fn as_slice(&self) -> &[T] {
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&*self
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}
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#[inline(always)]
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#[must_use]
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fn as_slice_mut(&mut self) -> &mut [T] {
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&mut *self
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}
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#[inline(always)]
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fn default() -> Self {
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[
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$(for ((i = 0; i < $len; i += 6))
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do
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echo -n ' '
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for ((j = 0; j < 6 && j + i < $len; j++))
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do
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echo -n ' T::default(),'
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done
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echo
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done)
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]
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}
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}
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END
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}
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cat <<-END
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// Generated file, to regenerate run
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// ./gen-array-impls.sh > src/array/generated_impl.rs
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// from the repo root
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use super::Array;
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$(for ((i = 0; i <= 33; i++)); do gen_impl $i; done)
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$(for ((i = 64; i <= 4096; i *= 2)); do gen_impl $i; done)
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END
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# vim: noet
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