ensime 介绍
ENhanced Scala Interaction Mode for
Emacs
特点：
- Highlight errors and warnings in your code buffers.
- Inspect the type of any expression.
- browse packages
- Completion for variables, methods, constructors, etc.
- Incrementally search through classpath symbols
- Find all references to a symbol
- Jump to symbol deFinitions.
- Semantic Highlighting
- Automated Refactorings (rename, organize imports, extract method)
- Source Formatting
- AST-based selection
- Supports sbt7,10,11
- Supports Maven,Ivy build descriptions
- Embedded sbt shell
- REPL
- Debug support