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Lucile Rose Nihlen
31cc20f6e3
As discussed in the 2026-06-14 toolchain open meeting, `Range` is a better fit for the prelude than as a general library in `Core`. This PR moves `Range` into the prelude, and updates the build infrastructure and various tests to reflect that change.
26 lines
725 B
Plaintext
26 lines
725 B
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// https://adventofcode.com/2024/day/1
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library "day1_common";
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import library "io_utils";
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// Read a sequence of lines each containing a pair of numbers into two arrays.
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// Returns the number of lines read.
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fn ReadInputs[N: Core.IntLiteral](ref a: array(i32, N), ref b: array(i32, N)) -> i32 {
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for (i: i32 in Core.Range(N)) {
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var av: i32;
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var bv: i32;
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if (ReadInt(ref av) and SkipSpaces() and ReadInt(ref bv) and SkipNewline()) {
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a[i] = av;
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b[i] = bv;
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} else {
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return i;
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}
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}
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return N;
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}
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