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Minor style notes in the OCaml tutorial.

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Daniil Baturin 2014-09-11 21:40:15 +07:00
parent 791c123ba5
commit 15fd51c998
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@ -59,11 +59,19 @@ written in curried form.
(* Expressions can be separated by a double semicolon symbol, ";;".
In many cases it's redundant, but in this tutorial we use it after
every expression for easy pasting into the interpreter shell. *)
every expression for easy pasting into the interpreter shell.
Unnecessary use of expression separators in source code files
is often considered to be a bad style. *)
(* Variable and function declarations use "let" keyword. *)
let x = 10 ;;
(* OCaml allows single quote characters in identifiers.
Single quote doesn't have a special meaning in this case, it's often used
in cases when in other languages one would use names like "foo_tmp". *)
let foo = 1 ;;
let foo' = foo * 2 ;;
(* Since OCaml compiler infers types automatically, you normally don't need to
specify argument types explicitly. However, you can do it if you want or need to. *)
let inc_int (x: int) = x + 1 ;;