expression-evaluation/dst/FunctionSignature.js

Expression Evaluation

import { typeUnknown } from './Type.js';
export const FUNCTION_ARG_MAX = 16536;
export class FunctionSignature {
    _type;
    _argTypes;
    _minArity;
    _maxArity;
    _typeInference;
    _pure;
    static unknown = new FunctionSignature(typeUnknown, [typeUnknown], 0, FUNCTION_ARG_MAX);
    constructor(_type, _argTypes, _minArity, _maxArity, _typeInference, _pure = true) {
        this._type = _type;
        this._argTypes = _argTypes;
        this._minArity = _minArity;
        this._maxArity = _maxArity;
        this._typeInference = _typeInference;
        this._pure = _pure;
    }
    get pure() {
        return this._pure;
    }
    get minArity() {
        return this._minArity ?? this._argTypes.length;
    }
    get maxArity() {
        return this._maxArity ?? this._argTypes.length;
    }
    get type() {
        return this._type;
    }
    argType(index) {
        return this._argTypes[index] ?? this._argTypes[this._argTypes.length - 1];
    }
    argTypeInference(type, index) {
        return this._typeInference && this._typeInference <= index ? this.argType(index).reduce(type) : this.argType(index);
    }
    toString() {
        return `${this._type.toString()}(${this._argTypes.map((i) => i.toString()).join(', ')})`;
    }
}