From b2374aef747b4988417f896fdf33852dd57b9b07 Mon Sep 17 00:00:00 2001
From: Marshall Lochbaum <mwlochbaum@gmail.com>
Date: Wed, 3 Feb 2021 13:43:13 -0500
Subject: Rename Unique Mask to Mark Firsts

---
 spec/reference.bqn | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'spec/reference.bqn')

diff --git a/spec/reference.bqn b/spec/reference.bqn
index bdfc1f2c..42949e56 100644
--- a/spec/reference.bqn
+++ b/spec/reference.bqn
@@ -354,7 +354,7 @@ Replicate ← {0<=𝕨}◶(⥊˜⟜≠Rep⊢)‿{!𝕨=○≠𝕩⋄𝕨Rep𝕩}
 ⊔ ← ⊔⟜(↕≠⚇1)       ⊘ Group
 ⍉ ← Transpose      ⊘ ReorderAxes
 ⊐ ← ⍷⊸⊐            ⊘ IndexOf
-∊ ← UniqueMask     ⊘ (⊐˜<≠∘⊢)
+∊ ← MarkFirst      ⊘ (⊐˜<≠∘⊢)
 ⍷ ← ∊⊸/            ⊘ Find
 ⍋ ←   Cmp _grade   ⊘ (  Cmp _bins)
 ⍒ ← -∘Cmp _grade   ⊘ (-∘Cmp _bins)
@@ -398,7 +398,7 @@ IndexOf←{
   ! c≤=𝕩
   𝕨 (0<≠𝕨)◶⟨0⎉c∘⊢,(+˝∧`)≢⎉c⎉c‿∞⟩ 𝕩
 }
-UniqueMask←{
+MarkFirst←{
   ! 1≤=𝕩
   u←0↑𝕩
   {⊑𝕩∊u}⊘{u↩u∾𝕩⋄1}‿0˘𝕩
-- 
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