From a2207673af2da6121544aecd2d5370e98926041e Mon Sep 17 00:00:00 2001 From: Justin Worthe Date: Thu, 31 May 2018 21:25:14 +0200 Subject: Change to finding affordable buildings to avoid a resize --- src/engine/mod.rs | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'src') diff --git a/src/engine/mod.rs b/src/engine/mod.rs index e9cafa4..75583e3 100644 --- a/src/engine/mod.rs +++ b/src/engine/mod.rs @@ -271,10 +271,13 @@ impl GameState { } fn affordable_buildings(energy: u16, settings: &GameSettings) -> Vec { - BuildingType::all().iter() - .filter(|&b| settings.building_settings(*b).price <= energy) - .cloned() - .collect() + let mut result = Vec::with_capacity(3); + for b in BuildingType::all().iter() { + if settings.building_settings(*b).price <= energy { + result.push(*b); + } + } + result } } -- cgit v1.2.3