diff options
Diffstat (limited to 'syn/examples/trace-var/example')
-rw-r--r-- | syn/examples/trace-var/example/Cargo.toml | 9 | ||||
-rw-r--r-- | syn/examples/trace-var/example/src/main.rs | 15 |
2 files changed, 24 insertions, 0 deletions
diff --git a/syn/examples/trace-var/example/Cargo.toml b/syn/examples/trace-var/example/Cargo.toml new file mode 100644 index 0000000..d2ad650 --- /dev/null +++ b/syn/examples/trace-var/example/Cargo.toml @@ -0,0 +1,9 @@ +[package] +name = "example" +version = "0.0.0" +authors = ["David Tolnay <dtolnay@gmail.com>"] +edition = "2018" +publish = false + +[dependencies] +trace-var = { path = "../trace-var" } diff --git a/syn/examples/trace-var/example/src/main.rs b/syn/examples/trace-var/example/src/main.rs new file mode 100644 index 0000000..da2c10b --- /dev/null +++ b/syn/examples/trace-var/example/src/main.rs @@ -0,0 +1,15 @@ +use trace_var::trace_var; + +fn main() { + println!("{}", factorial(8)); +} + +#[trace_var(p, n)] +fn factorial(mut n: u64) -> u64 { + let mut p = 1; + while n > 1 { + p *= n; + n -= 1; + } + p +} |