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few doc comments

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This commit is contained in:
NikVolf
2017-05-22 19:54:56 +03:00
parent 533c3a0c50
commit 5aa419d3d5
2 changed files with 8 additions and 0 deletions
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4
src/interpreter/variable.rs
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@ -30,6 +30,7 @@ pub struct VariableInstance {
}
impl VariableInstance {
/// New variable instance
pub fn new(is_mutable: bool, variable_type: VariableType, value: RuntimeValue) -> Result<Self, Error> {
if !value.is_null() && value.variable_type() != Some(variable_type) {
return Err(Error::Variable(format!("trying to initialize variable of type {:?} with value of type {:?}", variable_type, value.variable_type())));
@ -42,14 +43,17 @@ impl VariableInstance {
})
}
/// New global variable
pub fn new_global(global_type: &GlobalType, value: RuntimeValue) -> Result<Self, Error> {
Self::new(global_type.is_mutable(), global_type.content_type().into(), value)
}
/// Get the value of the variable instance
pub fn get(&self) -> RuntimeValue {
self.value.read().clone()
}
/// Set the value of the variable instance
pub fn set(&self, value: RuntimeValue) -> Result<(), Error> {
if !self.is_mutable {
return Err(Error::Variable("trying to update immutable variable".into()));