Nushell DataTypes

datatypes.md

Data Types and How to create them

Validation

You can validate any of these methods to create by using the describe command or the debug --raw command.

Nushell Primitives to Traditional DataTypes

Nushell Primitive	Traditional DataType	How to create in Nushell	Notes
Int	byte, short, int, long	let n = 1
Decimal	float, double, decimal	let d = 1.1
String	char, string	let s = "a string"
Line		removed from nu
ColumnPath		can't create manually
GlobPattern		can't create manually
Boolean	boolean	let b = $true
Date	date/datetime	let d = $(date now)
Duration		let d = 1min
Range		let r = 1..10
FilePath		echo "some_file" | into path
Filesize		let f = 1mb
Binary		can't create manually
Nothing	null, nil, \0	let n = $nothing

Nushell UntaggedValues to Traditional DataTypes

UntaggedValue	Traditional DataType	How to create in Nushell	Notes
Row		Can't create manually
Table		let t = echo [[x, y, z]; [1 2 3] [4 5 6] [7 8 9]]
Error		Can't create manually
Block		let b = { some command }

Traditional DataTypes to Nushell DataTypes

Traditional DataType	Nushell DataType	How to create in Nushell	Notes
array	see Table above
list	let l = [1, 2, 4]
enum	not yet
record	not yet
union	not yet
dictionary	see Table above
struct	not yet
function pointer	N/A?
scientific notation	N/A