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changeset 392:8668f3799ad9 0.5

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add Io.dont_write_when_no
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 24 Apr 2015 14:16:03 -0600
parents 2f5cc9c2cbf0
children c46eced6a060
files core/src/luan/modules/Io.luan
diffstat 1 files changed, 16 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/core/src/luan/modules/Io.luan	Fri Apr 24 14:05:52 2015 -0600
+++ b/core/src/luan/modules/Io.luan	Fri Apr 24 14:16:03 2015 -0600
@@ -32,3 +32,19 @@
 function print(...)
 	print_to(stdout,...)
 end
+
+
+-- useful for SimplyHTML responsiveness
+
+NO = {}
+
+function dont_write_when_no(write_fn)
+	return function(...)
+		for v in Luan.values(...) do
+			if v == NO then
+				return
+			end
+		end
+		write_fn(...)
+	end
+end