mailang_stdlib/stdlib/
convert.rs

1//! Type conversion built-in functions
2
3use super::value_to_string;
4use mailang_bytecode::Value;
5
6pub fn builtin_to_string(args: &[Value]) -> Result<Value, String> {
7    Ok(Value::Str(value_to_string(&args[0]).into()))
8}
9
10pub fn builtin_parse_int(args: &[Value]) -> Result<Value, String> {
11    match &args[0] {
12        Value::Str(s) => s.parse::<i64>().map(Value::Int).map_err(|e| e.to_string()),
13        Value::Float(n) => Ok(Value::Int(*n as i64)),
14        Value::Int(n) => Ok(Value::Int(*n)),
15        _ => Err("parse_int expects a string or number".to_string()),
16    }
17}
18
19pub fn builtin_parse_float(args: &[Value]) -> Result<Value, String> {
20    match &args[0] {
21        Value::Str(s) => s
22            .parse::<f64>()
23            .map(Value::Float)
24            .map_err(|e| e.to_string()),
25        Value::Int(n) => Ok(Value::Float(*n as f64)),
26        Value::Float(n) => Ok(Value::Float(*n)),
27        _ => Err("parse_float expects a string or number".to_string()),
28    }
29}
mailang_stdlib/stdlib/convert.rs

mailang_stdlib/stdlib/
convert.rs
