Clojure · Easy

Lesson 1 · On the house

Destructuring

Vector and map destructuring in let and fn params, :keys, :or and :as.

Lesson 2

Threading macros

-> threads first, ->> threads last, some->, and cond->.

Lesson 3

Function combinators

partial, comp, juxt, apply, complement, and constantly.

Lesson 4

Lazy and infinite sequences

iterate, repeat, cycle, take, take-while, and realizing with doall.

Lesson 5

Strings with clojure.string

split, join, replace with regex, trim, blank?, and format.

Lesson 6

Atoms for state

atom, deref/@, swap!, reset!, compare-and-set, and validators.

Lesson 7

Nested data

get-in, assoc-in, update-in, and paths into maps and vectors.

Lesson 8

Errors and ex-info

try/catch/finally, throw, ex-info with data, and ex-data.

Lesson 9

for and doseq

List comprehensions with :when, :let and :while; doseq for side effects.

Lesson 10

Sorting and grouping

sort, sort-by with keys and comparators, group-by, frequencies, partition.