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Merge pull request #88 from adamu/const
use const for variables that are never modified
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commit
4bdbeadef5
4 changed files with 6 additions and 6 deletions
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@ -16,7 +16,7 @@ const MyNumberError = error{
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const std = @import("std");
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pub fn main() void {
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var nums = [_]u8{ 2, 3, 4, 5, 6 };
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const nums = [_]u8{ 2, 3, 4, 5, 6 };
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for (nums) |n| {
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std.debug.print("{}", .{n});
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@ -15,7 +15,7 @@ pub fn main() void {
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const lang_chars = [_]u8{ 26, 9, 7, 42 };
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for (lang_chars) |c| {
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var real_char: u8 = switch (c) {
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const real_char: u8 = switch (c) {
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1 => 'A',
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2 => 'B',
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3 => 'C',
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@ -29,12 +29,12 @@ const MyNumberError = error{
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const std = @import("std");
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pub fn main() void {
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var nums = [_]u8{ 2, 3, 4, 5, 6 };
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const nums = [_]u8{ 2, 3, 4, 5, 6 };
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for (nums) |num| {
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std.debug.print("{}", .{num});
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var n = numberMaybeFail(num);
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const n = numberMaybeFail(num);
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if (n) |value| {
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std.debug.print("={}. ", .{value});
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} else |err| switch (err) {
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@ -103,7 +103,7 @@ pub fn main() void {
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const wanted_ingredients = [_]u8{ 0, 3 }; // Chili, Cheese
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// Look at each Food on the menu...
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var meal = food_loop: for (menu) |food| {
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const meal = food_loop: for (menu) |food| {
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// Now look at each required ingredient for the Food...
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for (food.requires) |required, required_ingredient| {
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@ -115,7 +115,7 @@ pub fn main() void {
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// (Remember that want_it will be the index number of
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// the ingredient based on its position in the
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// required ingredient list for each food.)
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var found = for (wanted_ingredients) |want_it| {
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const found = for (wanted_ingredients) |want_it| {
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if (required_ingredient == want_it) break true;
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} else false;
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