# Change Log
# 0.2.2
+ Use statically-typed errors instead of strings
+ Add `const` syntactic sugar (#4)
+ Support optional value for sum and split
+ Infer `sum` type
# 0.2.1
+ Make bunch of function public so people can see them in docs.rs
+ Move everything from `type_check.rs` to a `check` module
+ Rename `syntax.rs` to `ast.rs`, `reduce.rs` to `eval.rs`
+ Improve memory efficiency
# 0.2.0
+ REPL support `:eval`, `:infer` and `:normalize`
+ Bunch of improvements on the pretty printer
+ Debugging features of the REPL: `:eval-debug`, `:debug` and `:infer-debug`
+ Make the feature introduced in 0.1.9 correct (#1)
# 0.1.9
+ REPL file completion
+ Support syntax like `let a (b : U): c = bla b;` (#1)
+ Notice: this breaks mutual recursion for some sense
+ Support plain REPL
# 0.1.8
+ Fix the sum type scoping problem mentioned in 0.1.6
+ Improve type-checking error message
+ Add command completion and hint for REPL
# 0.1.7
+ Use `structopt` for command line parsing
+ Initial REPL support
+ Discover that mutual recursion is not working correctly
# 0.1.6
+ Discover and provide a temporary workaround for a scoping issue of sum type
expressions, maybe fix later
+ Fix badges in `Cargo.toml`
+ Support quiet in cli
+ Support `*` syntactic sugar
# 0.1.5
+ Syntactic sugars
+ Rename `fun` into `split`, let `split` and `sum` use `{ }`
+ Use better variable name in codes, fix some mistakes in comments
+ Fix a very stupid bug. It's too stupid to be written in the changelog.
# 0.1.4
+ Enable parser by default
+ Add executable
+ Add examples
+ Fix bug in scope manipulation
+ Parse patterns
# 0.1.3
+ Simple parser
+ Some fixes in pretty-printer
# 0.1.2
+ Some bug fixes
+ Type inference for pairs
# 0.1.1
+ Support pretty-printer for AST, Normal AST
# 0.1.0
+ Support type-checking
# 0.0.1
+ Create package on https://crates.io