vault backup: 2024-09-11 12:21:34

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zleyyij 2024-09-11 12:21:34 -06:00
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@ -27,10 +27,13 @@ A variable must be declared before it is assigned.
# Formatting specifiers
# Standard library
## Formatting specifiers
| Specifier | Function |
| --------- | ---------------------------------------------------------------------------------------------------------------------------------------- |
| `%d` | Display an integer |
| `%f` | Display a float. Specify the number of places to round to by adding a decimal and a number, eg `%.2f` would round to two decimal places. |
| --------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `%d` | Decimal representation: Display a value as a base 10 (hence the decimal) integer. |
| `%f` | Fixed point decimal representation. Specify the number of places to round to by adding a decimal and a number, eg `%.2f` would round to two decimal places. |
| `%e` | |
For number formatting specifiers, the convention is as follows:
`%-a.bX`
`%`: Start of the formatting specifier
@ -38,5 +41,6 @@ For number formatting specifiers, the convention is as follows:
`a`: (optional) If included, the size of the field in characters.
`.`: Separator between `a` and `b`. Optional if `b` is not specified
`b`: The number of decimal places to round to
`X`: The type of format to use, and the end of the specifier. Use `d` for integer base 10 (decimal) representation, `f` for fixed point decimal, and `e` for exponential notation
# Standard library
`X`: The type of format to use, and the end of the specifier. Use `d` for integer base 10 (decimal) representation, `f` for fixed point decimal, and `e` for exponential notation, and `g` to select between fixed point and exponential, whichever is shorter.
## `printf`
Write a string to standard output. `f` indicates that it's a formatting string. The string will not include move the cursor to a newline, append `\n` to the end of the string to do so.