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Inform the user that a binding was redefined#362

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rexim wants to merge 6 commits into
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197-inform-user-binding-redefintion
Open

Inform the user that a binding was redefined#362
rexim wants to merge 6 commits into
masterfrom
197-inform-user-binding-redefintion

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@rexim

@rexim rexim commented Jun 14, 2017

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Close #197

@rexim rexim self-assigned this Jun 14, 2017
@rexim rexim requested review from ForNeVeR and keddelzz June 14, 2017 16:35
@keddelzz keddelzz changed the title Infor the user that a binding was redefined Inform the user that a binding was redefined Jun 14, 2017
// 2. REPL message for the user
//
// We need to separate those meanings. The proposed idea is to
// attach some kind of side effect to ReplContext and use

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*to ReplResult

if (!context.contains(binding)) {
None
} else {
Some(s"${binding.variable} was redefined")

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*Warning: ${binding.variable} was redefined

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