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Allow call_fn with only one parameter; consume can retain functions, eval cannot.

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This commit is contained in:
Stephen Chung
2020-03-12 14:54:14 +08:00
parent e24d3a7ade
commit 560da5fdc6
11 changed files with 176 additions and 156 deletions
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19
tests/var_scope.rs
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@@ -5,15 +5,12 @@ fn test_var_scope() -> Result<(), EvalAltResult> {
let mut engine = Engine::new();
let mut scope = Scope::new();
engine.eval_with_scope::<()>(&mut scope, false, "let x = 4 + 5")?;
assert_eq!(engine.eval_with_scope::<INT>(&mut scope, false, "x")?, 9);
engine.eval_with_scope::<()>(&mut scope, false, "x = x + 1; x = x + 2;")?;
assert_eq!(engine.eval_with_scope::<INT>(&mut scope, false, "x")?, 12);
assert_eq!(
engine.eval_with_scope::<()>(&mut scope, false, "{let x = 3}")?,
()
);
assert_eq!(engine.eval_with_scope::<INT>(&mut scope, false, "x")?, 12);
engine.eval_with_scope::<()>(&mut scope, "let x = 4 + 5")?;
assert_eq!(engine.eval_with_scope::<INT>(&mut scope, "x")?, 9);
engine.eval_with_scope::<()>(&mut scope, "x = x + 1; x = x + 2;")?;
assert_eq!(engine.eval_with_scope::<INT>(&mut scope, "x")?, 12);
assert_eq!(engine.eval_with_scope::<()>(&mut scope, "{let x = 3}")?, ());
assert_eq!(engine.eval_with_scope::<INT>(&mut scope, "x")?, 12);
Ok(())
}
@@ -33,11 +30,11 @@ fn test_scope_eval() -> Result<(), EvalAltResult> {
// First invocation
engine
.eval_with_scope::<()>(&mut scope, false, " let x = 4 + 5 - y + z; y = 1;")
.eval_with_scope::<()>(&mut scope, " let x = 4 + 5 - y + z; y = 1;")
.expect("y and z not found?");
// Second invocation using the same state
let result = engine.eval_with_scope::<INT>(&mut scope, false, "x")?;
let result = engine.eval_with_scope::<INT>(&mut scope, "x")?;
println!("result: {}", result); // should print 966