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use crate::language::{InternSymbol, Access};
use crate::parser::expr::{ExprMeta, ExprBlock};


// Function Definitions
#[derive(Debug, Clone)]
pub struct FunctionDef {
    pub signature: SignatureDef,
    pub body: Box<ExprBlock>,
}

#[derive(Debug, Clone)]
pub struct SignatureDef {
    pub name: Option<InternSymbol>,
    pub required: Box<[ParamDef]>,
    pub default: Box<[DefaultDef]>,
    pub variadic: Option<ParamDef>,
}

#[derive(Debug, Clone)]
pub struct ParamDef {
    pub name: InternSymbol,
    pub mode: Access,
}

#[derive(Debug, Clone)]
pub struct DefaultDef {
    pub name: InternSymbol,
    pub mode: Access,
    pub default: Box<ExprMeta>,
}