13.7 Shrubbery Input

8.17.0.6

function

~mode: mode :: shrubbery.ReadMode = #'top,

~start_column: start_column :: Int = 0)

:: Syntax || Port.eof

enumeration

Reads a shrubbery form from in. The result can be Port.eof only in #'interactive or #'line modes.

#'top mode reads all shrubbery forms until an end-of-file, and it produces a term, group, or multi-group sequence.
#'interactive mode reads until an end-of-line, unless nothing has been read so far, an opener remains unclosed, or a [:] was encountered that not within an open-closer sequence. If reading continues due to a :, then it stops when a blank line is found (where a line containing a comment does not count as blank), as long as stopping does not create an empty block.
#'line mode is like #'interactive mode, except that it can stop and produce an empty term sequence if a newline is found without having read anything.
#'tex mode reads until an end-of-file, but starting as if inside @{}, and the result is a […] form.

import rhombus/shrubbery

> shrubbery.read(Port.Input.open_string("fun (x):\n x + 1"))
'fun (x): x + 1'

1	Notation and Conventions
2	Implicits and Context
3	Names and Definitions
4	Functions and Operators
5	Comparison and Branching
6	Objects and Annotations
7	Basic Data
8	Collections and Iteration
9	Object Protocols
10	Higher-Order Control
11	Code as Data
12	String Formatting and Matching
13	Input and Output
14	Operating System
15	Threads and Concurrency
16	Reflection and Security
17	Runtime System