add nrow and ncol (#40)

Author: bkamins

Project.toml

@@ -1,7 +1,7 @@
 name = "DataAPI"
 uuid = "9a962f9c-6df0-11e9-0e5d-c546b8b5ee8a"
 authors = ["quinnj <[email protected]>"]
-version = "1.7.0"
+version = "1.8.0"
 
 [compat]
 julia = "1"

src/DataAPI.jl

@@ -223,4 +223,18 @@ function semijoin end
 function antijoin end
 function crossjoin end
 
+"""
+    nrow(t)
+
+Return the number of rows of table `t`.
+"""
+function nrow end
+
+"""
+    ncol(t)
+
+Return the number of columns of table `t`.
+"""
+function ncol end
+
 end # module