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Add comments why assert is always true

This commit is contained in:
Wei Tang 2018-07-09 19:35:13 +08:00
parent 06f99f2463
commit 445d0cd3c6
1 changed files with 2 additions and 2 deletions
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4
src/runner.rs
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@ -106,7 +106,7 @@ impl Interpreter {
}
pub fn start_execution<'a, E: Externals + 'a>(&mut self, externals: &'a mut E) -> Result<Option<RuntimeValue>, Trap> {
// Ensure that the VM has not been executed.
// Ensure that the VM has not been executed. This is checked in `FuncInvocation::start_execution`.
assert!(self.state == InterpreterState::Initialized);
self.state = InterpreterState::Started;
@ -125,7 +125,7 @@ impl Interpreter {
pub fn resume_execution<'a, E: Externals + 'a>(&mut self, return_val: Option<RuntimeValue>, externals: &'a mut E) -> Result<Option<RuntimeValue>, Trap> {
use std::mem::swap;
// Ensure that the VM is resumable.
// Ensure that the VM is resumable. This is checked in `FuncInvocation::resume_execution`.
assert!(self.state.is_resumable());
let mut resumable_state = InterpreterState::Started;