Update to latest master.

.github/workflows/blank.yml

@@ -1,62 +0,0 @@
-name: Build
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-  schedule:
-    - cron: '0 5 * * *' # run at 5 AM UTC
-
-jobs:
-  linux:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Setup Zig
-      uses: goto-bus-stop/setup-zig@v1
-      with:
-        version: master
-    
-    - name: Build demo
-      run: |
-        zig build-exe demo.zig
-
-    - name: Run demo
-      run: ./demo
-      
-  windows:
-    runs-on: windows-latest
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Setup Zig
-      uses: goto-bus-stop/setup-zig@v1
-      with:
-        version: master
-    
-    - name: Build demo
-      run: zig build-exe demo.zig
-
-    - name: Run demo
-      run: ./demo.exe
-      
-  macos:
-    runs-on: macos-latest
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Setup Zig
-      uses: goto-bus-stop/setup-zig@v1
-      with:
-        version: master
-    
-    - name: Build demo
-      run: zig build-exe demo.zig
-
-    - name: Run demo
-      run: ./demo

.github/workflows/cross-build.yml

@@ -0,0 +1,32 @@
+name: Build
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+  schedule:
+    - cron: "0 5 * * *" # run at 5 AM UTC
+
+jobs:
+  cross-build:
+    strategy:
+      fail-fast: false
+      matrix:
+        platform: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.platform }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setup Zig
+        uses: goto-bus-stop/setup-zig@v1
+        with:
+          version: master
+
+      - name: Build demo
+        run: |
+          zig build-exe demo.zig
+
+      - name: Run demo
+        run: ./demo --output demo --with-offset --signed_number=-10 --unsigned_number 20 --mode slow help this is borked

.gitignore

@@ -0,0 +1,3 @@
+zig-cache
+demo
+demo.exe

args.zig

@@ -86,15 +86,16 @@ pub fn parse(comptime Spec: type, args: *std.process.ArgIterator, allocator: *st
                             if (fld.name.len != 1)
                                 @compileError("All shorthand fields must be exactly one character long!");
                             if (fld.name[0] == char) {
-                                const real_fld = std.meta.fieldInfo(Spec, @field(Spec.shorthands, fld.name));
+                                const real_name = @field(Spec.shorthands, fld.name);
+                                const real_fld_type = @TypeOf(@field(result.options, real_name));
 
                                 // -2 because we stripped of the "-" at the beginning
-                                if (requiresArg(real_fld.field_type) and index != item.len - 2) {
+                                if (requiresArg(real_fld_type) and index != item.len - 2) {
                                     try std.io.getStdErr().writer().writeAll("An option with argument must be the last option for short command line options.\n");
                                     return error.EncounteredUnexpectedArgument;
                                 }
 
-                                try parseOption(Spec, &result, args, real_fld.name, null);
+                                try parseOption(Spec, &result, args, real_name, null);
 
                                 found = true;
                             }

demo.zig

@@ -25,11 +25,11 @@ pub fn main() !void {
     }, argsAllocator);
     defer options.deinit();
 
-    std.debug.print("executable name: {}\n", .{options.executable_name});
+    std.debug.print("executable name: {s}\n", .{options.executable_name});
 
     std.debug.print("parsed options:\n", .{});
     inline for (std.meta.fields(@TypeOf(options.options))) |fld| {
-        std.debug.print("\t{} = {}\n", .{
+        std.debug.print("\t{s} = {}\n", .{
             fld.name,
             @field(options.options, fld.name),
         });
@@ -37,6 +37,6 @@ pub fn main() !void {
 
     std.debug.print("parsed positionals:\n", .{});
     for (options.positionals) |arg| {
-        std.debug.print("\t'{}'\n", .{arg});
+        std.debug.print("\t'{s}'\n", .{arg});
     }
 }