Added Enums & Structs

Enums/build.zig

@@ -0,0 +1,34 @@
+const std = @import("std");
+
+pub fn build(b: *std.build.Builder) void {
+    // Standard target options allows the person running `zig build` to choose
+    // what target to build for. Here we do not override the defaults, which
+    // means any target is allowed, and the default is native. Other options
+    // for restricting supported target set are available.
+    const target = b.standardTargetOptions(.{});
+
+    // Standard release options allow the person running `zig build` to select
+    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
+    const mode = b.standardReleaseOptions();
+
+    const exe = b.addExecutable("Enums", "src/main.zig");
+    exe.setTarget(target);
+    exe.setBuildMode(mode);
+    exe.install();
+
+    const run_cmd = exe.run();
+    run_cmd.step.dependOn(b.getInstallStep());
+    if (b.args) |args| {
+        run_cmd.addArgs(args);
+    }
+
+    const run_step = b.step("run", "Run the app");
+    run_step.dependOn(&run_cmd.step);
+
+    const exe_tests = b.addTest("src/main.zig");
+    exe_tests.setTarget(target);
+    exe_tests.setBuildMode(mode);
+
+    const test_step = b.step("test", "Run unit tests");
+    test_step.dependOn(&exe_tests.step);
+}

Enums/src/main.zig

@@ -0,0 +1,29 @@
+const std = @import("std");
+
+// can also be pub like structs
+// can define size with enum(u8) for example
+const Month = enum {
+    January,
+    February,
+    March,
+    April,
+    May,
+    June,
+    July,
+    August,
+    September,
+    October,
+    November,
+    December,
+
+    // bound functions
+    pub inline fn isNovemeber(self: @This()) bool {
+        return self == .November;
+    }
+};
+
+pub fn main() !void {
+    var month: Month = .February;
+    std.log.info("The month is: {}, size of month: {}", .{ @enumToInt(month), @sizeOf(Month) });
+    std.log.info("Is November? {}", .{month.isNovemeber()});
+}

Structs/build.zig

@@ -0,0 +1,34 @@
+const std = @import("std");
+
+pub fn build(b: *std.build.Builder) void {
+    // Standard target options allows the person running `zig build` to choose
+    // what target to build for. Here we do not override the defaults, which
+    // means any target is allowed, and the default is native. Other options
+    // for restricting supported target set are available.
+    const target = b.standardTargetOptions(.{});
+
+    // Standard release options allow the person running `zig build` to select
+    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
+    const mode = b.standardReleaseOptions();
+
+    const exe = b.addExecutable("Structs", "src/main.zig");
+    exe.setTarget(target);
+    exe.setBuildMode(mode);
+    exe.install();
+
+    const run_cmd = exe.run();
+    run_cmd.step.dependOn(b.getInstallStep());
+    if (b.args) |args| {
+        run_cmd.addArgs(args);
+    }
+
+    const run_step = b.step("run", "Run the app");
+    run_step.dependOn(&run_cmd.step);
+
+    const exe_tests = b.addTest("src/main.zig");
+    exe_tests.setTarget(target);
+    exe_tests.setBuildMode(mode);
+
+    const test_step = b.step("test", "Run unit tests");
+    test_step.dependOn(&exe_tests.step);
+}

Structs/src/main.zig

@@ -0,0 +1,30 @@
+const std = @import("std");
+
+// Name, Age
+// packed struct cannot contain strings
+// extern struct allows for compatibility with gcc
+// as with packed struct string not allowed
+const UserInfo = struct {
+    name: []const u8 = "Not defined",
+    age: u32,
+
+    pub fn init(name: []const u8, age: u32) UserInfo {
+        return UserInfo{
+            .name = name,
+            .age = age,
+        };
+    }
+
+    pub fn printName(self: @This()) !void {
+        std.log.info("{s}", .{self.name});
+    }
+};
+
+pub fn main() !void {
+    //const user = UserInfo{
+    //    .age = 100,
+    //};
+
+    const user = UserInfo.init("Eddie", 100);
+    try user.printName();
+}