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| author | Joel Kronqvist <joel.kronqvist@iki.fi> | 2025-08-06 16:23:18 +0300 |
|---|---|---|
| committer | Joel Kronqvist <joel.kronqvist@iki.fi> | 2025-08-06 16:23:18 +0300 |
| commit | 313c044b4a878a425aaca6554576f5154ace8ff9 (patch) | |
| tree | 706bf5e34678622111a23c7045f667c1acbe7c6d /src/sexp/util.rs | |
| parent | 23b2028bdce46d02209fc2df70fc5468a8beffa8 (diff) | |
| download | myslip-313c044b4a878a425aaca6554576f5154ace8ff9.tar.gz myslip-313c044b4a878a425aaca6554576f5154ace8ff9.zip | |
Implemented let-bindings
Diffstat (limited to 'src/sexp/util.rs')
| -rw-r--r-- | src/sexp/util.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/sexp/util.rs b/src/sexp/util.rs index b3edf19..a28aaad 100644 --- a/src/sexp/util.rs +++ b/src/sexp/util.rs @@ -76,4 +76,14 @@ impl SExp { }, } } + + pub fn check_let(self) -> Option<(String, SExp)> { + match &(self.parts())[..] { + [l, n, v] if *l == Atom(Let) => match (n.clone(), v.clone()) { + (Atom(Var(name)), val) => Some((name, val)), + _ => None + }, + _ => None + } + } } |