peg 0.8.5

A simple Parsing Expression Grammar (PEG) parser generator.
Documentation 
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error: left recursive rules create an infinite loop: rec -> rec
 --> $DIR/left_recursion_without_cache.rs:4:18
  |
4 |     rule rec() = rec() //~ ERROR left recursive rules create an infinite loop: rec -> rec
  |                  ^^^

error: left recursive rules create an infinite loop: foo -> bar -> foo
  --> $DIR/left_recursion_without_cache.rs:12:11
   |
12 |         / foo() //~ ERROR left recursive rules create an infinite loop: foo -> bar -> foo
   |           ^^^

error: left recursive rules create an infinite loop: bar -> foo -> bar
 --> $DIR/left_recursion_without_cache.rs:8:11
  |
8 |         / bar() //~ ERROR left recursive rules create an infinite loop: bar -> foo -> bar
  |           ^^^

error: left recursive rules create an infinite loop: prec -> prec
  --> $DIR/left_recursion_without_cache.rs:15:9
   |
15 |         prec() { () } //~ ERROR
   |         ^^^^