akkartik/lines-polygon-experiment - Change IPMYE6WTLGB3AWB7VHGSLBLW6PGDX7AEGKFY3KUTXOCQTFQPU6XAC

establish a fairly fundamental invariant

This commit doesn't guarantee we'll always catch it. But if this invariant is violated, things can get quite difficult to debug. I found in the Lua Carousel fork that all the xpcalls I keep around were actively hindering my ability to notice this invariant being violated.

Created by akkartik on November 24, 2023

IPMYE6WTLGB3AWB7VHGSLBLW6PGDX7AEGKFY3KUTXOCQTFQPU6XAC

Dependencies

In channels

main

Change contents

Insertion in text.lua at line 976 [5.1]

[4.732]

[2.1613]

  -- Perform some early sanity checking here, in hopes that we correctly call
  -- this whenever we change editor state.
  if State.right <= State.left then
    assert(false, ('Right margin %d must be to the right of the left margin %d'):format(State.right, State.left))
  end

Insertion in source_text.lua at line 1038 [3.83723]

[3.146521]

  -- Perform some early sanity checking here, in hopes that we correctly call
  -- this whenever we change editor state.
  if State.right <= State.left then
    assert(false, ('Right margin %d must be to the right of the left margin %d'):format(State.right, State.left))
  end