38 replies

Reading JS ... currying for newbie

My brain is exploding again ... this time it's the concept of currying

function curried_add(a) {
    // has access to the argument for a
    return function nested_add(b) {
        // has access to the arguments for a and b
        return a + b;
    }
}
 
// creates a local variable a and assigns it the value 1
let add_one = curried_add(1); 
 
// add_one() still has access to the argument from curried_add()
add_one(10);

function curried_add(a) {
    // has access to the argument for a
    return function nested_add(b) {
        // has access to the arguments for a and b
        return a + b;
    }
}
 
// creates a local variable a and assigns it the value 1
let add_one = curried_add(1); 
 
// add_one() still has access to the argument from curried_add()
add_one(10);

Where do I start to read this code? From

add-one

add-one

or from

let add-one

let add-one

KP-C

Kevin Powell - Community•3y ago•

38 replies

Å Marlon G

Reading JS ... currying for newbie

My brain is exploding again ... this time it's the concept of currying

function curried_add(a) {
    // has access to the argument for a
    return function nested_add(b) {
        // has access to the arguments for a and b
        return a + b;
    }
}
 
// creates a local variable a and assigns it the value 1
let add_one = curried_add(1); 
 
// add_one() still has access to the argument from curried_add()
add_one(10);

function curried_add(a) {
    // has access to the argument for a
    return function nested_add(b) {
        // has access to the arguments for a and b
        return a + b;
    }
}
 
// creates a local variable a and assigns it the value 1
let add_one = curried_add(1); 
 
// add_one() still has access to the argument from curried_add()
add_one(10);

Where do I start to read this code? From

add-one

add-one

or from

let add-one

let add-one

Reading JS ... currying for newbie

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