Documentation

Lean.Meta.Tactic.Split

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def Lean.Meta.Split.getSimpMatchContext :
Lean.MetaM Lean.Meta.Simp.Context
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def Lean.Meta.Split.simpMatch (e : Lean.Expr) :
Lean.MetaM Lean.Meta.Simp.Result
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def Lean.Meta.Split.simpMatch.pre (e : Lean.Expr) :
Lean.Meta.SimpM Lean.Meta.Simp.Step
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def Lean.Meta.Split.simpMatchTarget (mvarId : Lean.MVarId) :
Lean.MetaM Lean.MVarId
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def Lean.Meta.Split.applyMatchSplitter (mvarId : Lean.MVarId) (matcherDeclName : Lean.Name) (us : Array Lean.Level) (params : Array Lean.Expr) (discrs : Array Lean.Expr) :
Lean.MetaM (List Lean.MVarId)
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def Lean.Meta.Split.splitMatch (mvarId : Lean.MVarId) (e : Lean.Expr) :
Lean.MetaM (List Lean.MVarId)
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def Lean.Meta.Split.findSplit? (env : Lean.Environment) (e : Lean.Expr) (splitIte : optParam Bool true) (exceptionSet : optParam Lean.ExprSet ∅) :
Option Lean.Expr

Return an if-then-else or match-expr to split.

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partial def Lean.Meta.Split.findSplit?.go (env : Lean.Environment) (splitIte : optParam Bool true) (exceptionSet : optParam Lean.ExprSet ∅) (e : Lean.Expr) :
Option Lean.Expr
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def Lean.Meta.Split.findSplit?.isCandidate (env : Lean.Environment) (splitIte : optParam Bool true) (exceptionSet : optParam Lean.ExprSet ∅) (e : Lean.Expr) :
Bool
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def Lean.Meta.splitTarget? (mvarId : Lean.MVarId) (splitIte : optParam Bool true) :
Lean.MetaM (Option (List Lean.MVarId))
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partial def Lean.Meta.splitTarget?.go (mvarId : Lean.MVarId) (splitIte : optParam Bool true) (target : Lean.Expr) (badCases : Lean.ExprSet) :
Lean.MetaM (Option (List Lean.MVarId))
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def Lean.Meta.splitLocalDecl? (mvarId : Lean.MVarId) (fvarId : Lean.FVarId) :
Lean.MetaM (Option (List Lean.MVarId))
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