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[rules] [strings] Add support for concat_cprop rule #42

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merged 3 commits into from
Jul 25, 2024
Merged

[rules] [strings] Add support for concat_cprop rule #42

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ae4e9e2
Adds concat_cprop prefix and suffix rule definitions
vinisilvag May 28, 2024
0034e66
PR discussion fix
vinisilvag Jun 19, 2024
b69924b
Fix clippy errors
vinisilvag Jun 19, 2024
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3 changes: 3 additions & 0 deletions carcara/src/checker/error.rs
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Expand Up @@ -141,6 +141,9 @@ pub enum CheckerError {
#[error("expected term {0} to be a suffix of {1}")]
ExpectedToBeSuffix(Rc<Term>, Rc<Term>),

#[error("expected term {0} to not be empty")]
ExpectedToNotBeEmpty(Rc<Term>),

#[error("this rule can only be used in the last step of a subproof")]
MustBeLastStepInSubproof,

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2 changes: 2 additions & 0 deletions carcara/src/checker/mod.rs
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Expand Up @@ -556,6 +556,8 @@ impl<'c> ProofChecker<'c> {
"concat_split_suffix" => strings::concat_split_suffix,
"concat_lprop_prefix" => strings::concat_lprop_prefix,
"concat_lprop_suffix" => strings::concat_lprop_suffix,
"concat_cprop_prefix" => strings::concat_cprop_prefix,
"concat_cprop_suffix" => strings::concat_cprop_suffix,

// Special rules that always check as valid, and are used to indicate holes in the
// proof.
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