clean

src/sema.zig

@@ -6,6 +6,10 @@ const Type = @import("types.zig").Type;
 const errors = @import("errors.zig");
 const Diagnostic = errors.Diagnostic;
 
+fn baseName(name: []const u8) []const u8 {
+    return if (std.mem.lastIndexOfScalar(u8, name, '.')) |idx| name[idx + 1 ..] else name;
+}
+
 pub const SymbolKind = enum {
     variable,
     constant,
@@ -344,7 +348,7 @@ pub const Analyzer = struct {
                     return sig.return_type;
                 }
                 // Built-in: sqrt/sin/cos returns same type as argument
-                const base = if (std.mem.lastIndexOfScalar(u8, callee_name, '.')) |idx| callee_name[idx + 1 ..] else callee_name;
+                const base = baseName(callee_name);
                 if (std.mem.eql(u8, base, "sqrt") or
                     std.mem.eql(u8, base, "sin") or
                     std.mem.eql(u8, base, "cos"))