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authorJoel Kronqvist <joel.kronqvist@iki.fi>2025-08-19 13:55:05 +0300
committerJoel Kronqvist <joel.kronqvist@iki.fi>2025-08-19 13:55:05 +0300
commita70dcaa949f41c585f9aea5e79f2550053d8e857 (patch)
tree9366f0b1e026c009708ebc243d006a79cbf452c9 /src/sexp/step.rs
parentd4d6e972650370d529363f7db3946e58bdbd7bca (diff)
downloadmyslip-a70dcaa949f41c585f9aea5e79f2550053d8e857.tar.gz
myslip-a70dcaa949f41c585f9aea5e79f2550053d8e857.zip
test: added boilerplate and tests for coproduct parsing, type checking and evaluation
Diffstat (limited to 'src/sexp/step.rs')
-rw-r--r--src/sexp/step.rs8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/sexp/step.rs b/src/sexp/step.rs
index 59b201c..3168c5b 100644
--- a/src/sexp/step.rs
+++ b/src/sexp/step.rs
@@ -297,6 +297,14 @@ impl SExp {
/// assert_eq!(exp, expshould);
/// let exp = exp.and_then(|e| e.step());
/// assert_eq!(exp, Ok(Atom(True)));
+ ///
+ /// let exp = "case (coprod Bool (+ 1 2)) ((inl b) (if b 1 0)) ((inr x) (- x 1))";
+ /// let exp = parse_to_ast(exp);
+ /// let exp = exp.and_then(|e| e.step());
+ /// let expshould = parse_to_ast("case (coprod Bool 3) ((inl b) (if b 1 0)) ((inr x) (- x 1))");
+ /// assert_eq!(exp, expshould);
+ /// let exp = exp.and_then(|e| e.step());
+ /// assert_eq!(exp, Ok(scons(Sub, scons(3, scons(1, Nil)))));
/// ```
///
/// Shadowing: