SpaceVim/docs/layers/lang/sml.md

title	description
SpaceVim lang#sml layer	This layer is for Standard ML development, provides syntax highlighting and repl support for sml files.

Available Layers >> lang#sml

• Description
• Install
• Layer options
• Key bindings
  • Running current script
  • Inferior REPL process

Description

This layer is for Standard ML development.

Install

To use this configuration layer, update your custom configuration file with:

[[layers]]
  name = "lang#sml"

Layer options

• smlnj_path: Set the path to the smlnj executable, by default, it is sml.
• mlton_path: Set the path to the mlton executable, by default, it is mlton.
• repl_options: Options used for REPL, by default, it is ''.
• auto_create_def_use: Whether to build def-use files on save automatically. By default, it is mlb. Valid values is:
  • mlb: Auto build def-use if there's a *.mlb file
  • always: Always build def-use file
  • never: Never build def-use file
• enable_conceal: true/false. Whether to enable concealing for SML files. false by default. 'a becomes α (or 'α). fn becomes λ.
• enable_conceal_show_tick: true/false. When conceal is enabled, show 'α for 'a instead of α. Helps for alignment. false by default.
• sml_file_head: Template for new sml file.

Key bindings

Running current script

The key binding for running current sml file is SPC l r. It will run the current file without losing focus, and the result will be shown in a runner buffer.

Inferior REPL process

Start a sml inferior REPL process with SPC l s i.

Send code to inferior process commands:

Key Bindings	Descriptions
SPC l s b	send buffer and keep code buffer focused
SPC l s l	send line and keep code buffer focused
SPC l s s	send selection text and keep code buffer focused