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use crate::ts::{TS, StackOp};
use rust_dynamic::value::Value;
impl TS {
pub fn value(&mut self, value: Value, op: StackOp) -> Result<Value, Box<dyn std::error::Error>> {
match op {
StackOp::None => {
return Result::Ok(value);
}
StackOp::TakeOne => {
if self.stack_len() >= 1 {
match self.pull() {
Some(obj) => {
match value.dup() {
Ok(mut v) => {
v = v.attr_merge(vec![obj]);
return Result::Ok(v);
}
Err(err) => {
return Err(err);
}
}
}
_ => {},
}
}
}
StackOp::TakeTwo => {
if self.stack_len() >= 2 {
let mut nv: Vec<Value> = Vec::new();
for _ in 0..2 {
match self.pull() {
Some(obj) => nv.push(obj),
_ => break,
}
}
match value.dup() {
Ok(mut v) => {
v = v.attr_merge(nv);
return Result::Ok(v);
}
Err(err) => {
return Err(err);
}
}
}
}
StackOp::TakeAll => {
let mut a: Vec<Value> = Vec::new();
let mut v = value.dup().unwrap();
while self.stack_len() > 0 {
match self.pull() {
Some(obj) => {
a.push(obj);
}
_ => break,
}
}
v = v.attr_merge(a);
return Result::Ok(v);
}
}
Result::Ok(value)
}
}