misc: added wasm benchmarks sources

crates/mun_runtime/benches/wasm-sources/.gitignore

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+pkg/

crates/mun_runtime/benches/wasm-sources/Cargo.toml

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+[workspace]
+members=["fibonacci", "empty"]

crates/mun_runtime/benches/wasm-sources/empty/Cargo.toml

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+[package]
+name = "empty-wasm"
+version = "0.1.0"
+authors = ["The Mun Team <[email protected]>"]
+edition = "2018"
+homepage = "https://mun-lang.org"
+repository = "https://github.com/mun-lang/mun"
+license = "MIT OR Apache-2.0"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+wasm-bindgen = "0.2"

crates/mun_runtime/benches/wasm-sources/empty/LICENSE-APACHE

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+../../../LICENSE-APACHE

crates/mun_runtime/benches/wasm-sources/empty/LICENSE-MIT

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+../../../LICENSE-MIT

crates/mun_runtime/benches/wasm-sources/empty/src/lib.rs

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+extern crate wasm_bindgen;
+
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub fn empty(n: isize) -> isize {
+    n
+}

crates/mun_runtime/benches/wasm-sources/fibonacci/Cargo.toml

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+[package]
+name = "fibonacci-wasm"
+version = "0.1.0"
+authors = ["The Mun Team <[email protected]>"]
+edition = "2018"
+homepage = "https://mun-lang.org"
+repository = "https://github.com/mun-lang/mun"
+license = "MIT OR Apache-2.0"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+wasm-bindgen = "0.2"

crates/mun_runtime/benches/wasm-sources/fibonacci/LICENSE-APACHE

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+../../../LICENSE-APACHE

crates/mun_runtime/benches/wasm-sources/fibonacci/LICENSE-MIT

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+../../../LICENSE-MIT

crates/mun_runtime/benches/wasm-sources/fibonacci/src/lib.rs

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+extern crate wasm_bindgen;
+
+use wasm_bindgen::prelude::*;
+
+fn fibonacci(n: isize) -> isize {
+    let mut a = 0;
+    let mut b = 1;
+    let mut i = 1;
+    loop {
+        if i > n {
+            return a;
+        }
+        let sum = a + b;
+        a = b;
+        b = sum;
+        i += 1;
+    }
+}
+
+#[wasm_bindgen]
+pub fn main(n: isize) -> isize {
+    fibonacci(n)
+}