chap 2.5.0

Chap is an easy to learn, interpretive, scripting language written in Rust
Documentation 
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use crate::builtin_function::utils::{param_to_datatype, returns};
use crate::common::data_type::DataType;
use crate::common::errors::Result;
use crate::{common::executable::ExecutableLine, runtime::Runtime};

pub fn contains(runtime: &mut Runtime, executable: &ExecutableLine) -> Result<()> {
    let p1 = param_to_datatype(runtime, executable.params.first(), executable.line_number)?;
    let p2 = param_to_datatype(runtime, executable.params.get(1), executable.line_number)?;

    let p1 = p1.to_string();
    let p2 = p2.to_string();

    let result = DataType::Bool(p1.contains(p2.as_str()));

    returns(runtime, executable, result)
}