patch 8.2.1890: Vim9: strange error for subtracting from a list Commit: https://github.com/vim/vim/commit/081db1a66d17e46ac3b03b7514f11a004a35009a Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 22 20:09:43 2020 +0200 patch 8.2.1890: Vim9: strange error for subtracting from a list Problem: Vim9: strange error for subtracting from a list. Solution: Check getting a number, not a string. (closes https://github.com/vim/vim/issues/7167)

/* vim9execute.c */
void to_string_error(vartype_T vartype);
void funcstack_check_refcount(funcstack_T *funcstack);
int call_def_function(ufunc_T *ufunc, int argc_arg, typval_T *argv, partial_T *partial, typval_T *rettv);
void ex_disassemble(exarg_T *eap);
int tv2bool(typval_T *tv);
int check_not_string(typval_T *tv);
/* vim: set ft=c : */