chore: import upstream snapshot with attribution

examples/resource-cli/src/config.0

@@ -0,0 +1,11 @@
+pub fn defaultName() -> String {
+    return "resource-cli.txt"
+}
+
+pub fn outputDir() -> String {
+    return std.env.getOr("ZERO_RESOURCE_DIR", ".zero")
+}
+
+pub fn outputName() -> String {
+    return std.args.getOr(1, defaultName())
+}

examples/resource-cli/src/main.0

@@ -0,0 +1,25 @@
+use config
+
+use payload
+
+pub fn main(world: World) -> Void raises [NotFound, TooLarge, Io] {
+    let fs: Fs = std.fs.host()
+    var path_storage: [96]u8 = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+    let joined: Maybe<String> = std.path.join(path_storage, outputDir(), outputName())
+    if !joined.has {
+        raise TooLarge
+    }
+    let path: String = joined.value
+    var payload_storage: [32]u8 = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+    let payload_len: usize = writePayload(payload_storage)
+    var created: owned<File> = check std.fs.createOrRaise(fs, path)
+    check std.fs.writeAllOrRaise(&mut created, payload_storage[0..payload_len])
+    let written_len: usize = check std.fs.fileLenOrRaise(&mut created)
+    std.fs.close(&mut created)
+    var opened: owned<File> = check std.fs.openOrRaise(fs, path)
+    var read_storage: [32]u8 = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+    let read_len: usize = check std.fs.readOrRaise(&mut opened, read_storage)
+    if written_len == payload_len && read_len == payload_len && payloadOk(read_storage[0..read_len]) {
+        check world.out.write("resource cli ok\n")
+    }
+}

examples/resource-cli/src/payload.0

@@ -0,0 +1,8 @@
+pub fn writePayload(dst: MutSpan<u8>) -> usize {
+    let _cleared: usize = std.mem.fill(dst, 0_u8)
+    return std.mem.copy(dst, std.mem.span("resource cli ok\n"))
+}
+
+pub fn payloadOk(bytes: Span<u8>) -> Bool {
+    return std.mem.eqlBytes(bytes, std.mem.span("resource cli ok\n"))
+}

examples/resource-cli/zero.toml

@@ -0,0 +1,7 @@
+[package]
+name = "resource-cli"
+version = "0.1.0"
+
+[targets.cli]
+kind = "exe"
+main = "src/main.0"