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Louis Gallet 2023-09-12 15:26:21 +02:00
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commit 615167f073
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.obsidian/workspace.json vendored
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@ -13,7 +13,7 @@
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Algo/Chapter 0 - A bit of imperative/0.1 - Print.md
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If we want to print something in CAML, we have to use this structure
```Ocaml
# print_string "Hello World!";;
Hello! - : unit=()
# print_int ;;
-: int -> unit = <fun>
(*expression*)
# print_[type] [things to print];;
[things to print] -: unit=()
```
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Algo/Séminaire/Chapter 4 - A bit of imperative.md Normal file
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## 0.1. Print
If we want to print something in CAML, we have to use this structure
```Ocaml
# print_string "Hello World!";;
Hello! - : unit=()
# print_int ;;
-: int -> unit = <fun>
(*expression*)
# print_[type] [things to print];;
[things to print] -: unit=()
```
**Difference between compiler and interpreter for print**
```mermaid
flowchart LR
A[CAML] -- compile --> B[ ] -- exec --> C[standard output] & D[standard error] ~~~ E(on your terminal)
```
```mermaid
flowchart LR
A[CAML] -- interpreter --> B[standard error] & C[standard output] & D[CAML answer] ~~~ E(in the interpreter interface)
```
**To print something and create a new line for the CAML evaluation**
```Ocaml
# print_endline "toto";;
toto
-: unit = ()
```
**To just print a newline**
```Ocaml
# print_newline();;
-: unit = ()
```
## 0.2. Sequence of prints
```Ocaml
# print_string "The answer is: "; print_int 42;;
The answer is: 42 -: unit = ()