more efficient re-contextualized evaluation

shikokuchuo · Oct 6, 2024 · bc7181e · bc7181e
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diff --git a/DESCRIPTION b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: mirai
 Type: Package
 Title: Minimalist Async Evaluation Framework for R
-Version: 1.2.0.9027
+Version: 1.2.0.9028
 Description: Designed for simplicity, a 'mirai' evaluates an R expression
     asynchronously in a parallel process, locally or distributed over the
     network, with the result automatically available upon completion. Modern

diff --git a/NEWS.md b/NEWS.md
@@ -1,4 +1,4 @@
-# mirai 1.2.0.9027 (development)
+# mirai 1.2.0.9028 (development)
 
 #### New Features
 

diff --git a/R/map.R b/R/map.R
@@ -229,7 +229,7 @@ mirai_map <- function(.x, .f, ..., .args = list(), .promise = NULL, .compute = "
 
   missing(..1) && return(collect_aio_(x))
 
-  dots <- lapply(substitute(alist(...))[-1L], eval, envir = environment(mirai_map))
+  dots <- eval(`[[<-`(substitute(alist(...)), 1L, quote(list)), envir = environment(mirai_map))
   expr <- if (length(dots) > 1L) do.call(expression, dots) else dots[[1L]]
   xlen <- length(x)
   i <- 0L