fix: rewrite in zig

.gitignore

@@ -1,11 +1,2 @@
-# Ignore the build directory for all projects
-**/target/
-
-# Ignore the lock file (Optional: recommended for libraries, 
-# but usually kept for final applications/binaries)
-# **/Cargo.lock
-
-# IDE specific files
-.vscode/
-.idea/
-**/*.rs.bk
+# mac os
+.DS_Store

README.md

@@ -1,3 +1,3 @@
 # Hellow ( •̀ ω •́ )y
 
-This is just me practicing rust
+his is just me practicing zig ^-^

functions.zig

@@ -0,0 +1,37 @@
+const std = @import("std");
+
+pub fn main() !void {
+    const stdin = std.io.getStdIn().reader();
+    const stdout = std.io.getStdOut();
+
+    try stdout.writeAll("enter temp: ");
+
+    // fixed size, so its on the stack
+    var buf: [1024]u8 = undefined;
+
+    // reads from stdin until delimeter encountered
+    // i.e. enter is pressed
+    //
+    // |line| is a payload capture that unwraps the returned optional,
+    // as the user could have entered no data (e.g. EOF)
+    if (try stdin.readUntilDelimiterOrEof(&buf, '\n')) |line| {
+        // {s} specifies line as a string
+        // std.debug.print("user entered: {s}\n", .{line});
+
+        if (std.fmt.parseFloat(f32, line)) |value| {
+            // {d} specifies decimal
+            // std.debug.print("float is: {d}\n", .{value});
+
+            convert(value);
+        } else |err| {
+            std.debug.print("please enter a valid float: {}\n", .{err});
+        }
+    } else {
+        std.debug.print("please enter a valid float\n", .{});
+    }
+}
+
+fn convert(input: f32) void {
+    const result = input * 1.8 + 32.0;
+    std.debug.print("{d}°F\n", .{result});
+}

guess_the_number.zig

@@ -0,0 +1,41 @@
+const std = @import("std");
+
+pub fn main() !void {
+    const stdin = std.io.getStdIn().reader();
+    const secret_number = try random(1, 100);
+    var buf: [1024]u8 = undefined;
+
+    while (true) {
+        try std.debug.print("guess the number (1 - 100): ", .{});
+
+        if (try stdin.readUntilDelimiterOrEof(&buf, '\n')) |line| {
+            // parse base 10 integer
+            if (std.fmt.parseInt(u8, line, 10)) |guess| {
+                std.debug.print("you guessed {d}\n", .{guess});
+
+                switch (std.math.order(guess, secret_number)) {
+                    .lt => std.debug.print("too small\n", .{}),
+                    .gt => std.debug.print("too large\n", .{}),
+                    .eq => {
+                        std.debug.print("you win!\n", .{});
+                        break;
+                    },
+                }
+            } else |err| {
+                std.debug.print("please enter a valid integer: {}\n", .{err});
+            }
+        } else {
+            std.debug.print("failed to read line", .{});
+        }
+    }
+}
+
+fn random(min: u8, max: u8) !u8 {
+    var seed: u64 = undefined;
+    try std.posix.getrandom(std.mem.asBytes(&seed));
+
+    var prng: std.Random.DefaultPrng = .init(seed);
+    const rand = prng.random();
+
+    return rand.intRangeAtMost(u8, min, max);
+}

hello-world.zig

@@ -0,0 +1,5 @@
+const std = @import("std");
+
+pub fn main() void {
+    std.debug.print("Hello, world!\n", .{});
+}