Added code for for and while loops
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582f776ce4
commit
4e09fa6f59
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const std = @import("std");
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pub fn build(b: *std.build.Builder) void {
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// Standard target options allows the person running `zig build` to choose
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// what target to build for. Here we do not override the defaults, which
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// means any target is allowed, and the default is native. Other options
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// for restricting supported target set are available.
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const target = b.standardTargetOptions(.{});
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// Standard release options allow the person running `zig build` to select
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// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
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const mode = b.standardReleaseOptions();
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const exe = b.addExecutable("For-Loops", "src/main.zig");
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exe.setTarget(target);
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exe.setBuildMode(mode);
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exe.install();
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const run_cmd = exe.run();
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run_cmd.step.dependOn(b.getInstallStep());
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if (b.args) |args| {
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run_cmd.addArgs(args);
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}
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const run_step = b.step("run", "Run the app");
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run_step.dependOn(&run_cmd.step);
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const exe_tests = b.addTest("src/main.zig");
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exe_tests.setTarget(target);
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exe_tests.setBuildMode(mode);
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const test_step = b.step("test", "Run unit tests");
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test_step.dependOn(&exe_tests.step);
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}
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const std = @import("std");
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pub fn main() anyerror!void {
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const array = [_]u8{ 1, 2, 3, 4, 5 };
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for (array) |item, index| {
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std.debug.print("Item[{}] = {}\n", .{ index, item });
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}
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for (array[0..3]) |item, index| {
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std.debug.print("Item[{}] = {}\n", .{ index, item });
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}
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for (array[0..3]) |_, index| {
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std.debug.print("Item[{}]\n", .{index});
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}
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}
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@ -0,0 +1,34 @@
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const std = @import("std");
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pub fn build(b: *std.build.Builder) void {
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// Standard target options allows the person running `zig build` to choose
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// what target to build for. Here we do not override the defaults, which
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// means any target is allowed, and the default is native. Other options
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// for restricting supported target set are available.
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const target = b.standardTargetOptions(.{});
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// Standard release options allow the person running `zig build` to select
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// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
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const mode = b.standardReleaseOptions();
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const exe = b.addExecutable("While-loops", "src/main.zig");
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exe.setTarget(target);
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exe.setBuildMode(mode);
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exe.install();
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const run_cmd = exe.run();
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run_cmd.step.dependOn(b.getInstallStep());
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if (b.args) |args| {
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run_cmd.addArgs(args);
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}
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const run_step = b.step("run", "Run the app");
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run_step.dependOn(&run_cmd.step);
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const exe_tests = b.addTest("src/main.zig");
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exe_tests.setTarget(target);
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exe_tests.setBuildMode(mode);
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const test_step = b.step("test", "Run unit tests");
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test_step.dependOn(&exe_tests.step);
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}
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@ -0,0 +1,40 @@
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const std = @import("std");
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pub fn main() anyerror!void {
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var number: i32 = 0;
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while (number < 10) : ({
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number += 1;
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}) {
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std.log.info("Number is now: {}", .{number});
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}
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while (false) {
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std.log.info("Number is now: {}", .{number});
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} else {
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std.log.info("Else block evaluated!", .{});
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}
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var condition = true;
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while (condition) : (condition = false) {
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std.log.info("Condition is true", .{});
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} else {
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std.log.info("Else block evaluated!", .{});
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}
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//var optional_value: ?i32 = null;
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while (generateNumber()) |value| {
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std.log.info("Generated: {}", .{value});
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} else {
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std.log.info("No more values!", .{});
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}
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}
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var number2: i32 = 0;
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fn generateNumber() ?i32 {
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if (number2 < 10) {
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number2 += 1;
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return number2 - 1;
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}
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return null;
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}
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