lean-ja / lean-ja/lean-by-example

ゴール名を消して匿名ゴールにする

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コード例
Dominant language
Lean
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188
Forks
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Avg merge
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Merged PRs (30d)
6

Description

import Lean

/--
Replaces the tag of the main goal by `[anonymous]`.
-/
elab (name := clearGoalName) "clear_goal_name" : tactic => do
  let goal ← Lean.Elab.Tactic.getMainGoal
  goal.setTag .anonymous

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First steps

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Research direction

The issue only provides a Lean snippet for a clear_goal_name tactic and does not identify a target file or test. First locate the relevant example section in the repository, then determine where this snippet belongs; done should mean the example is included and renders or builds successfully.

Written by the indexing model from the issue text.

Assessment

Domain
documentation
Issue type
Documentation
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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