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added mapT, mapTT to d.ts, js #207

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added mapT, mapTT to d.ts, js #207

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8927089
:sparkles: added mapT, mapTT to d.ts, js
Mar 21, 2019
741d742
:shirt: fix lint error
Mar 21, 2019
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2 changes: 2 additions & 0 deletions src/monet.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,8 @@ interface IMonad<T> extends Functor<T>, Bind<T>, Applicative<T> {
chain<V>(fn: (val: T) => IMonad<V>): IMonad<V>;
map<V>(fn: (val: T) => V): IMonad<V>;
join<V>(): IMonad<V>; // only if T = IMonad<V>
mapT<V1, V2>(fn: (val: V1) => V2): IMonad<IMonad<V2>>; // only if T = IMonad<V1>
mapTT<V1, V2>(fn: (val: V1) => V2): IMonad<IMonad<IMonad<V2>>>; // only if T = IMonad<IMonad<V1>>

/* These are monet-Monad-specific: */
takeLeft(m: IMonad<T>): IMonad<T>;
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15 changes: 13 additions & 2 deletions src/monet.js
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Expand Up @@ -77,7 +77,7 @@
var targetType = target[TYPE_KEY] ||
target.constructor && target.constructor[TYPE_KEY]

return Boolean(targetType) &&
return Boolean(targetType) &&
targetType.length >= typeName.length &&
targetType.indexOf(typeName) === targetType.length - typeName.length
}
Expand Down Expand Up @@ -714,7 +714,7 @@
})
},
toArray: function () {
return this.map(function (val) {
return this.map(function (val) {
return [val]
}).orLazy(function () {
return []
Expand Down Expand Up @@ -1376,6 +1376,17 @@
})
}
}

type.prototype.mapT = function(fn) {
return this.map(function (ma) {
return ma.map(fn)
})
}
type.prototype.mapTT = function(fn) {
return this.map(function (ma) {
return ma.mapT(fn)
})
}
}

function addFunctorOps(type) {
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