migration

2026-04-13 20:12:01 +03:00
commit 46ab1753a5
201 changed files with 16685 additions and 0 deletions
--- a/clojure/examples/1_1_intro.clj
+++ b/clojure/examples/1_1_intro.clj
@@ -0,0 +1,90 @@
+(chapter "Expressions and variables")
+
+(section "Numbers and Expressions")
+(example "Literals"
+         2
+         -10
+         "Hello world"
+         true)
+(example "Simple expressions"
+         (+ 2 3)
+         (- 2 3)
+         (* 2 3)
+         (/ 2 3))
+(example "Compound expressions"
+         (+ 2 (- 3 1)))
+(example "Variable-args functions"
+         (- 10 1 2 3))
+(example "Special cases"
+         (- 10))
+(example "Nullary functions"
+         (+))
+
+(section "Equality")
+(example "Generic equality"
+         (= (* 2 3) 6)
+         (= (* 2 3) 6.0)
+         (= (* 2 3) 5)
+         (= (* 2 3) (+ 3 3)))
+(example "Number equality"
+         (== (* 2 3) 6)
+         (== (* 2 3) 6.0)
+         (== (* 2 3) 5)
+         (== (* 2 3) (+ 3 3)))
+(example "Reference equality"
+         (identical? (* 2 3) (+ 3 3))
+         (identical? (* 2 300) (+ 300 300)))
+(example "Inequality"
+         (not (== (* 2 3) (+ 3 3))))
+
+(section "Booleans")
+(example "Literals"
+         true
+         false)
+(example "not"
+         (not true)
+         (not false))
+(example "and"
+         (and true true)
+         (and true false)
+         (and false false)
+         (and true true false false))
+(example "or"
+         (or true true)
+         (or true false)
+         (or false false)
+         (or true true false false))
+
+(section "Variables")
+(example "Define"
+         (def x 10))
+(example "Use"
+         (* x (+ x 3)))
+(example "Output"
+         (println x))
+
+(section "First-order functions")
+(example "Output function"
+         +)
+(example "Assign function"
+         (def add +))
+(example "Variable as a function"
+         (add 10 20 30))
+
+(section "Simple types")
+(example "Integers"
+         (type 10))
+(example "Floating-point"
+         (type 10.0))
+(example "Rational"
+         (type (/ 2 3))
+         (type 2/3))
+(example "BigInt"
+         (type 2N))
+(example "String"
+         (type "Hello"))
+(example "Booleans"
+         (type true))
+(example "Type conversion"
+         (double 2/3)
+         (int 2/3))