Replace main.c with main.zig

Author: tiehuis

build.zig

@@ -1,31 +1,7 @@
 const Builder = @import("std").build.Builder;
 
 pub fn build(b: &Builder) {
-    const exe = b.addCExecutable("main");
-    b.addCIncludePath(".");
-    exe.addCompileFlags([][]const u8 {
-        "-std=c99",
-        "-nostdlib",
-    });
-
-    const source_files = [][]const u8 {
-        "main.c",
-    };
-
-    for (source_files) |source| {
-        exe.addSourceFile(source);
-    }
-
-    const zig_source_files = [][]const u8 {
-        "compute.zig",
-        "compute_helper.zig",
-        "display.zig",
-    };
-
-    for (zig_source_files) |source| {
-        const object = b.addObject(source, source);
-        exe.addObject(object);
-    }
+    const exe = b.addExecutable("main", "main.zig");
 
     exe.setOutputPath("./main");
     b.default_step.dependOn(&exe.step);

compute.h

@@ -1,5 +1,5 @@
-pub use @import("compute_helper.zig");
+use @import("compute_helper.zig");
 
-export fn compute(a: u8) -> u8 {
+pub fn compute(a: u8) -> u8 {
     compute_helper(a) + 5
 }

compute.zig

@@ -1,7 +1,7 @@
 const std = @import("std");
 const printf = std.io.stdout.printf;
 
-export fn display_char(c: u8)
+pub fn display_char(c: u8)
 {
     %%printf("{c}\n", c);
 }

display.h

@@ -0,0 +1,6 @@
+use @import("display.zig");
+use @import("compute.zig");
+
+pub fn main() -> %void {
+    display_char(compute('A'));
+}