removed example usage of Option.isEmpty

ergoplatform · Feb 19, 2022 · 5212765 · 5212765
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commit 5212765
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diff --git a/docs/LangSpec.md b/docs/LangSpec.md
@@ -426,7 +426,6 @@ The following syntax is supported to access registers on box objects:
 ```
 box.R3[Int].get          // access R3 register, check that its value of type Int and return it
 box.R3[Int].isDefined    // check that value of R3 is defined and has type Int
-box.R3[Int].isEmpty      // check that value of R3 is undefined
 box.R3[Int].getOrElse(d) // access R3 value if defined, otherwise return `d`
 ```