diff options
Diffstat (limited to 'tex/context/base/l-aux.lua')
| -rw-r--r-- | tex/context/base/l-aux.lua | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tex/context/base/l-aux.lua b/tex/context/base/l-aux.lua index 39b8f9546..8d74ec178 100644 --- a/tex/context/base/l-aux.lua +++ b/tex/context/base/l-aux.lua @@ -221,3 +221,21 @@ function aux.accesstable(target) end return t end + +-- as we use this a lot ... + +--~ function aux.cachefunction(action,weak) +--~ local cache = { } +--~ if weak then +--~ setmetatable(cache, { __mode = "kv" } ) +--~ end +--~ local function reminder(str) +--~ local found = cache[str] +--~ if not found then +--~ found = action(str) +--~ cache[str] = found +--~ end +--~ return found +--~ end +--~ return reminder, cache +--~ end |