From 3b6cc97bb52b56cbc1e15891767f0e8423591bf3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20LUDWIG?= <contact@theoludwig.fr>
Date: Wed, 2 Aug 2023 17:48:31 +0200
Subject: [PATCH] feat(solutions): add `print-pyramid/rust/function`

---
 .../solutions/rust/function/Cargo.lock        |  7 ++++
 .../solutions/rust/function/Cargo.toml        |  6 ++++
 .../solutions/rust/function/README.md         |  3 ++
 .../solutions/rust/function/src/main.rs       | 36 +++++++++++++++++++
 4 files changed, 52 insertions(+)
 create mode 100644 challenges/print-pyramid/solutions/rust/function/Cargo.lock
 create mode 100644 challenges/print-pyramid/solutions/rust/function/Cargo.toml
 create mode 100644 challenges/print-pyramid/solutions/rust/function/README.md
 create mode 100644 challenges/print-pyramid/solutions/rust/function/src/main.rs

diff --git a/challenges/print-pyramid/solutions/rust/function/Cargo.lock b/challenges/print-pyramid/solutions/rust/function/Cargo.lock
new file mode 100644
index 0000000..c8ae10e
--- /dev/null
+++ b/challenges/print-pyramid/solutions/rust/function/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "rust_application"
+version = "1.0.0"
diff --git a/challenges/print-pyramid/solutions/rust/function/Cargo.toml b/challenges/print-pyramid/solutions/rust/function/Cargo.toml
new file mode 100644
index 0000000..a119ace
--- /dev/null
+++ b/challenges/print-pyramid/solutions/rust/function/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "rust_application"
+version = "1.0.0"
+edition = "2021"
+
+[dependencies]
diff --git a/challenges/print-pyramid/solutions/rust/function/README.md b/challenges/print-pyramid/solutions/rust/function/README.md
new file mode 100644
index 0000000..738e62e
--- /dev/null
+++ b/challenges/print-pyramid/solutions/rust/function/README.md
@@ -0,0 +1,3 @@
+# print-pyramid/rust/function
+
+Created by [@theoludwig](https://github.com/theoludwig) on 2 August 2023.
diff --git a/challenges/print-pyramid/solutions/rust/function/src/main.rs b/challenges/print-pyramid/solutions/rust/function/src/main.rs
new file mode 100644
index 0000000..b1359a3
--- /dev/null
+++ b/challenges/print-pyramid/solutions/rust/function/src/main.rs
@@ -0,0 +1,36 @@
+use std::io;
+
+fn main() {
+    let mut pyramid_type = String::new();
+    io::stdin()
+        .read_line(&mut pyramid_type)
+        .expect("Failed to read `stdin` line.");
+    pyramid_type = pyramid_type.trim().to_string();
+    let mut height = String::new();
+    io::stdin()
+        .read_line(&mut height)
+        .expect("Failed to read `stdin` line.");
+    let height: usize = height
+        .trim()
+        .parse()
+        .expect("Failed to convert `height` as an `usize`.");
+
+    let mut step = if pyramid_type == "normal" { 1 } else { height };
+    while (pyramid_type == "normal" && step <= height) || (pyramid_type == "reverse" && step != 0) {
+        let number_of_stars = (step * 2) - 1;
+        let total_number_of_locations = (height * 2) - 1;
+        let total_number_of_spaces = total_number_of_locations - number_of_stars;
+        let number_of_spaces_on_each_side = total_number_of_spaces / 2;
+        println!(
+            "{}{}{}",
+            " ".repeat(number_of_spaces_on_each_side),
+            "*".repeat(number_of_stars),
+            " ".repeat(number_of_spaces_on_each_side)
+        );
+        if pyramid_type == "normal" {
+            step = step + 1;
+        } else {
+            step = step - 1;
+        }
+    }
+}