errors and warnings / names / E1020

E1020 error

Reference to a declaration removed by @if or static elimination

area: names (x1xxx)
fails the build: yes
in plain Lua files: reported as W1020

Code that is kept in this build uses a declaration that @if (or static elimination) removed from it, for example a flavor-only function called without a check. In game the name would be nil. Guard the use with the same static condition (if flavor == "standard" then … end, which is removed with it), or remove the @if.

Example

× failswowlua

import flavor from "wowlua:meta" @if(flavor == "standard")local function setupEditMode()    print("edit mode")end setupEditMode()

✓ compileswowlua

import flavor from "wowlua:meta" @if(flavor == "standard")local function setupEditMode()    print("edit mode")end if flavor == "standard" then    setupEditMode()end

The compiler reports it like this:

error[E1020]: `setupEditMode` was removed by `@if` for this build
  ┌─ src/main.wowlua:8:1
  │  
3 │ ╭ @if(flavor == "standard")
4 │ │ local function setupEditMode()
5 │ │     print("edit mode")
6 │ │ end
  │ ╰───' removed here
7 │   
8 │   setupEditMode()
  │   ^^^^^^^^^^^^^ used here

code	message
E1040	`@if` condition is not a static condition
E1039	`@if(flavor …)` in a `.wowlua` file in shared flavor mode

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terminal

$ wowlua explain E1020
E1020 (error): Reference to a declaration removed by @if or static elimination

source on GitHub ↗

Example

Related codes

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